| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 81 | Electrostatic printing | US40118853 | 1953-12-30 | US2758939A | 1956-08-14 | SUGARMAN JR MEYER L |
| 82 | Developing device and image forming apparatus | US15225050 | 2016-08-01 | US09804524B2 | 2017-10-31 | Shinichi Kuramoto; Yoshifumi Ozaki; Ryota Tomishi; Junichi Uchiyama; Yoshitaka Nakajima; Norihiro Tamazawa |
| A developing device includes a developer carrier that opposes an image carrier and rotates while carrying developer on a surface thereof; and a container that supports the developer carrier in a rotatable manner and contains the developer, the developer containing toner, first carrier subjected to frictional charging together with the toner, and second carrier having a diameter greater than a diameter of the first carrier and an electrical resistance lower than an electrical resistance of the first carrier. | ||||||
| 83 | Image forming apparatus and image forming method | US15207688 | 2016-07-12 | US09760039B2 | 2017-09-12 | Taishi Takano; Maiko Yoshida; Satoshi Araki; Takashi Urabe |
| An image forming apparatus and an image forming method through which an effect of granting flavor to a printing object is excellent. In accordance with an embodiment, an image forming apparatus comprises a developing device and a fixing device. A toner is housed in the developing device. The fixing device includes a fixing roller and a pressure roller. The toner contains binder resin and a microcapsule in which perfume is encapsulated. A glass transition temperature of the toner is below 60 degrees centigrade. A nip part is formed by the fixing roller and the pressure roller. A pressure applied to an image receiving medium passing through the nip part is below 0.19 N/mm2. | ||||||
| 84 | IMAGE FORMING APPARATUS | US15436121 | 2017-02-17 | US20170248862A1 | 2017-08-31 | Yuichi FURUKAWA |
| An image forming apparatus for developing an image with developer includes a development part, a transfer part, and a fuser the medium. The developer is configured with a plurality of particles, an average circularity degree of the developer is ranged within 0.955 to 0.970, and a peeling rate (%) of the external additive by a following equation is 30.6% or less, peeling rate (%)=[1 −(X/Y)]×100 . . . (1) wherein X is an amount (weight %) of the external additive included in the developer after ultrasonic waves are applied, and Y is an amount (weight %) of the external additive included in the developer before the ultrasonic waves are applied. | ||||||
| 85 | Developing apparatus, developing method, image forming apparatus, and image forming method | US14573375 | 2014-12-17 | US09581934B2 | 2017-02-28 | Minoru Ito; Masaki Yamada; Kazuhito Wakabayashi; Tomoya Uesugi; Michihisa Magome; Takashi Matsui |
| The developing apparatus includes a toner, a developing container, a developing roller, and a toner layer thickness controlling member, wherein the toner contains toner particles containing a binder resin and a colorant, and silica fine particles; the covering rate X1 of the surface of each of the toner particles with the silica fine particles is 40.0 to 75.0 area %; and a diffusion index represented by X1/X2 satisfies a predetermined range where the theoretical covering rate with the silica fine particles is defined as X2, the developing roller includes a substrate, a base layer, and a coverage portion; and the volume resistivity of the coverage portion and the average thickness of the coverage portion are within predetermined ranges. | ||||||
| 86 | IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE | US15074333 | 2016-03-18 | US20160274527A1 | 2016-09-22 | Shohei GOHDA; Masanobu GONDOH; Kaori TOYAMA; Yohta SAKON; Masahiro OHMORI; Yuka AOYAMA; Yuta NAKAMURA; Yoshihiro MORIYA; Satoshi KOJIMA |
| An image forming apparatus is provided which includes an image bearer, a charger to charge the image bearer, a latent image forming device to form an electrostatic latent image on the image bearer, a developing device to develop the electrostatic latent image with a toner, a transfer device to transfer the toner image onto a transfer medium, and a cleaning blade to remove residual toner particles remaining on the image bearer. The toner includes a binder resin and a release agent. The release agent has a longest length Lmax in the toner, which is equal to or greater than 1.1 times a maximum Feret diameter Df of the toner. The cleaning blade includes a strip-like elastic body blade having a contact part with the image bearer. The contact part includes a cured product of an ultraviolet curable composition including an acrylate or methacrylate compound having an alicyclic structure. | ||||||
| 87 | Image forming apparatus and image forming method | US14932020 | 2015-11-04 | US09417578B1 | 2016-08-16 | Taishi Takano; Maiko Yoshida; Satoshi Araki; Takashi Urabe |
| An object of the present invention is intended to provide an image forming apparatus and an image forming method through which an effect of granting flavor to a printing object is excellent. In accordance with an embodiment, an image forming apparatus comprises a developing device and a fixing device. A toner is housed in the developing device. The fixing device includes a fixing roller and a pressure roller. The toner contains binder resin and a microcapsule in which perfume is encapsulated. A glass transition temperature of the toner is below 60 degrees centigrade. A nip part is formed by the fixing roller and the pressure roller. A pressure applied to an image receiving medium passing through the nip part is below 0.19 N/mm2. | ||||||
| 88 | STEAM INJECTION PROCESS FOR PREPARING POLYESTER LATEX AND APPARATUS THEREOF | US14245894 | 2014-04-04 | US20150286155A1 | 2015-10-08 | Yu Liu; Frank Ping-Hay Lee; Michael D'Amato; Yulin Wang; David Borbely; Harry Latchman; John Abate; Ivan Uschak; Rashid Mahmood; Ke Zhou; Marko Saban; Biritawit Asfaw |
| The present embodiments disclose processes for preparing a polyester latex containing an amount of residual organic solvent which is less than 100 ppm by weight of the total weight of the polyester latex. | ||||||
| 89 | SUPER LOW MELT TONER HAVING CRYSTALLINE AROMATIC ETHERS | US14076822 | 2013-11-11 | US20150132691A1 | 2015-05-14 | KE ZHOU; Jordan H. Wosnick; Kentaro Morimitsu; Michael S. Hawkins; Edward G. Zwartz; Valerie M. Farrugia |
| A toner includes a polymeric resin, optionally a colorant, and a small molecule crystalline aromatic ether having a molecular weight less than 1,000 g/mol. The polymeric resin may be an amorphous resin and a mixture of the amorphous resin and the crystalline aromatic ether may be characterized by a reduction in glass transition temperature from that of the resin and by the lack of a melting point for the crystalline aromatic ether as determined by differential scanning calorimetry, the enthalpy of fusion for the crystalline aromatic ether in the mixture being measured to be less than 10% of the enthalpy of fusion of the crystalline aromatic ether in pure form. Furthermore, the toner may be configured to have a crease fix minimum fusing temperature (MFT) less than or equal to the crease fix MFT of a benchmark ultra-low-melt emulsion aggregation toner. Suitable crystalline aromatic ethers may include benzyl 2-naphthyl ether. | ||||||
| 90 | LIQUID ELECTROPHOTOGRAPHIC INK | US14396511 | 2012-04-27 | US20150118448A1 | 2015-04-30 | Stella Stolin Roditi; Swissa Shay; Eyal Bachar; Getahun Biadglin; Marc Klein |
| The present disclosure discloses a liquid electrophotographic ink. The ink includes a liquid vehicle, an ethylene acid copolymer, and an ethylene/(meth)acrylic acid C1-10 alkyl ester copolymer. Also disclosed is a method for the manufacture that ink and a method for performing a liquid electrophotographic process by printing a substrate with the ink. | ||||||
| 91 | Developing unit and electrophotographic image forming apparatus | US14075410 | 2013-11-08 | US08874007B2 | 2014-10-28 | Kunimasa Kawamura; Minoru Nakamura; Shohei Urushihara; Masaki Yamada; Yasushi Katsuta |
| Provided are a developing unit alleviating fogging occurrence and an electrophotographic image forming apparatus providing images over long periods. The developing unit includes at least a toner of (1) and a developing roller of (2). (1) When a displacement amount when a load is applied at Y° C. and 9.8×10−5 N/sec to 2.94×10−4 N is X2(Y), a displacement amount when the toner is left to stand for 0.1 second is X3(Y), a displacement amount when the load is reduced at 9.8×10−5 N/sec to 0N is X4(Y), and percentage of (X3(Y)−X4(Y)) to X3(Y) is Z(Y), 40≦Z(25)≦80 and 10≦Z(50)≦55 are satisfied; when a gradient from the origin to the maximum load in the load-displacement curve at 25° C. is R(25), 0.49×10−3≦R(25)≦1.70×10−3 is satisfied; the toner has glass transition temperature TgA (40° C.-60° C.) and maximum endothermic peak temperature P1 (70° C.-110° C.), 15° C.≦(P1−TgA)≦70° C. is satisfied. (2) The developing roller includes a surface layer containing a urethane resin having structure (a), and one or both structures (b)-(c). | ||||||
| 92 | DEVELOPING UNIT AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS | US14075410 | 2013-11-08 | US20140064792A1 | 2014-03-06 | Kunimasa Kawamura; Minoru Nakamura; Shohei Urushihara; Masaki Yamada; Yasushi Katsuta |
| Provided are a developing unit alleviating fogging occurrence and an electrophotographic image forming apparatus providing images over long periods. The developing unit comprises at least toner (1), developing roller (2). (1) when a displacement amount when a load is applied at Y° C. and 9.8×10−5 N/sec to 2.94×10−4 N is X2(Y), a displacement amount when the toner is left to stand for 0.1 second is X3(Y), a displacement amount when the load is reduced at 9.8×10−5 N/sec to ON is X4(Y), and percentage of (X3(Y)−X4(Y)) to X3(Y) is Z(Y), 40≦Z(25)≦80 and 10≦Z(50)≦55 are satisfied; when a gradient from the origin to the maximum load in the load-displacement curve at 25° C. is R(25), 0.49×10−3≦R(25)≦1.70×10−3 is satisfied; the toner has glass transition temperature TgA (40° C.-60° C.) and maximum endothermic peak temperature P1 (70° C.-110° C.), 15° C.≦(P1−TgA)≦70° C. is satisfied. (2) developing roller comprises a surface layer containing a urethane resin having structure (a), and one or both structures (b)-(c). | ||||||
| 93 | TAGGANT PARTICLE GROUP; AND ANTI-COUNTERFEIT INK, ANTI-COUNTERFEIT TONER, ANTI-COUNTERFEIT SHEET, AND ANTI-COUNTERFEIT MEDIUM COMPRISING SAME | US13991730 | 2011-11-21 | US20130260301A1 | 2013-10-03 | Tsuyoshi Yamauchi; Mitsuru Kitamura; Manabu Yamamoto; Akiko Kitamura; Yoko Sekine |
| A main object of the invention is to provide a taggant particle group that has a plurality of authentication steps and an excellent anti-counterfeit effect and can be applied to various anti-counterfeit media. The invention attains the object by providing a taggant particle group which is an aggregate of taggant particles which individually have a plurality of identification information items, wherein one identification information item among the plurality of identification information items possessed by the individual particles is common identification information that is possessed in common by the taggant particles that constitute the taggant particle group, and another identification information item among the plurality of identification information items possessed by the individual particles is non-common identification information of which the authenticity can be determined in combination with other identification information items possessed by other taggant particles that constitute the taggant particle group. | ||||||
| 94 | RELEASE AGENT FOR TONER, AND TONER CONTAINING THE RELEASE AGENT | US13725033 | 2012-12-21 | US20130209933A1 | 2013-08-15 | Naotake Sato |
| An object of the present invention is to provide a toner release agent adaptable to making the fixing temperature of the toner low. The above object can be solved by using a release agent for a toner including a hydrophobic organic substance which is liquid at normal temperature and normal pressure and has a relative dielectric constant of 20 or lower and an SP value of lower than 10, and a gelling agent. | ||||||
| 95 | Liquid electrophotographic ink concentrates and methods for preparing the same | US13018282 | 2011-01-31 | US08426100B2 | 2013-04-23 | Doris Pik-Yiu Chun; Sivapackia Ganapathiappan; Hou T. Ng; Albert Teishev |
| Liquid electrophotographic ink concentrates and methods of preparing the same are disclosed herein. An example of the method includes preparing a mixture of ink components using a first predetermined thermal profile. The ink components include a resin, a pigment, and a carrier. The method further includes preparing a microfluidizer with a composition at a temperature within a predetermined range and processing the mixture in the prepared microfluidizer to form the concentrate. Processing the mixture includes pressure-feeding the mixture into the prepared microfluidizer, passing the mixture through the prepared microfluidizer for a predetermined number of times, and utilizing a second predetermined thermal profile while passing the mixture through the prepared microfluidizer. A viscosity modifier is added to the mixture before and/or during the processing of the mixture. | ||||||
| 96 | External additive, method of manufacturing same and toner | US12208770 | 2008-09-11 | US08178272B2 | 2012-05-15 | Masanori Rimoto; Masakazu Nakada; Hideyuki Ueda |
| An external additive including titanium dioxide having a water-soluble component of at least 0.2% by weight and a fluorosilane compound, wherein the titanium dioxide is surface-reformed by the fluorosilane compound. | ||||||
| 97 | Toner, image forming apparatus using the same and process cartridge | US11227178 | 2005-09-16 | US07522857B2 | 2009-04-21 | Kumi Hasegawa; Mitsuo Aoki; Hyo Shu; Minoru Masuda; Tomoko Utsumi |
| The object is to provide a toner which can be smoothly replenished by a toner replenishing device using a powder pump even when the toner contains a releasing agent, and an image forming apparatus using the toner. There is provided a toner, which comprises a binder resin, a colorant and a releasing agent, has a dynamic friction coefficient of 0.15 to 0.35, and is replenished by the toner replenishing device having a powder pump configured to automatically supply the toner and a toner container arranged in conjunction with the powder pump so as to develop a latent electrostatic image on a image bearing member. | ||||||
| 98 | EXTERNAL ADDITIVE, METHOD OF MANUFACTURING SAME AND TONER | US12208770 | 2008-09-11 | US20090068580A1 | 2009-03-12 | Masanori Rimoto; Masakazu Nakada; Hideyuki Ueda |
| An external additive including titanium dioxide having a water-soluble component of at least 0.2% by weight and a fluorosilane compound, wherein the titanium dioxide is surface-reformed by the fluorosilane compound. | ||||||
| 99 | Method and apparatus of forming an image on a reversible image display medium | US11002867 | 2004-12-02 | US20050128531A1 | 2005-06-16 | Denji Nota; Takaaki Shirai; Keyaki Yogome |
| An image forming method and an image forming apparatus of forming an image on a reversible image display medium of dry developing particle moving type including substrates made of a nonconductive material. The medium is transported for forming an image on the medium while keeping the medium in uniform surface-contact with an electrostatic field applying member (e.g., a photosensitive drum carrying an electrostatic latent image) for image formation by a developing bias applying conductive member (e.g., conductive belt). | ||||||
| 100 | Method of electrophotographically manufacturing a television screen using hygroscopic material | US33594273 | 1973-02-26 | US3856518A | 1974-12-24 | STRIK F; VAN SOERLAND N |
| A method of electrophotographically manufacturing a display screen of a colour television display tube. For enhancing the contrast, a light-absorbing layer is provided between the phosphor patterns. In order to prevent pollution of the previously provided phosphor patterns with the phosphor of phosphor patterns which are provided afterwards, the phosphor particles are previously provided with a layer of a hygroscopic material. The hygroscopic material is wetted and hence made conductive between the provision of two phosphor patterns. The hygroscopic material is dried and hence made non-conductive between the provision of the last phosphor pattern and the provision of the light-absorbing layer.
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