Patents by Inventor Masaki Watanabe

Masaki Watanabe has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • METHOD FOR PRODUCING TONER, TONER, AND IMAGE FORMING METHOD USING THE SAME
    Publication number: 20110200928
    Abstract: A method for producing a toner, including: dispersing toner particles containing at least a binder resin in a first aqueous medium so as to produce an aqueous dispersion; and subjecting the aqueous dispersion to heat treatment, wherein the electric conductivity of the aqueous dispersion after the heat treatment is higher than the electric conductivity of the aqueous dispersion before the heat treatment by 50 ?S/cm or less.
    Type: Application
    Filed: February 4, 2011
    Publication date: August 18, 2011
    Inventors: Masaki WATANABE, Osamu Uchinokura, Tsuneyasu Nagatomo, Takahiro Honda, Ryuta Chiba
  • SEMICONDUCTOR DEVICE
    Publication number: 20110169170
    Abstract: This invention provides a multi-pin semiconductor device as a low-cost flip-chip BGA. In the flip-chip BGA, a plurality of signal bonding electrodes in a peripheral area of the upper surface of a multilayer wiring substrate are separated into inner and outer ones and a plurality of signal through holes coupled to a plurality of signal wirings drawn inside are located between a plurality of rows of signal bonding electrodes and a central region where a plurality of bonding electrodes for core power supply are located so that the chip pad pitch can be decreased and the cost of the BGA can be reduced without an increase in the number of layers in the multilayer wiring substrate.
    Type: Application
    Filed: January 12, 2011
    Publication date: July 14, 2011
    Inventors: Shinji BABA, Toshihiro Iwasaki, Masaki Watanabe
  • Toner, developer, toner container, process cartridge, image forming method, and image forming apparatus
    Patent number: 7968265
    Abstract: A toner is provided that includes a release agent, a colorant, a binder resin including a polyester resin, and a fixing auxiliary component including an ester compound of a fatty acid with an alcohol. The fatty acid includes stearic acid and behenic acid in a total amount of 80% by weight or more. The alcohol includes ethylene glycol in an amount of 80% by weight or more. The ester compound has a hydroxyl value of 10 to 100 mgKOH/g.
    Type: Grant
    Filed: February 26, 2009
    Date of Patent: June 28, 2011
    Assignee: Ricoh Company, Limited
    Inventors: Tsuyoshi Sugimoto, Hiroshi Yamashita, Naohiro Watanabe, Shinichi Wakamatsu, Masaki Watanabe
  • Method and apparatus for acquiring image of internal structure, and computer product
    Patent number: 7970238
    Abstract: An apparatus for acquiring an internal-structure image of an object from a plurality of images of the object photographed by a photographing unit includes a control unit that controls the photographing unit to obtain the images under different photographing conditions; and an extracting unit that extracts a portion common to the images as the internal-structure image.
    Type: Grant
    Filed: June 27, 2005
    Date of Patent: June 28, 2011
    Assignee: Fujitsu Limited
    Inventors: Mitsuaki Fukuda, Toshio Endoh, Takahiro Aoki, Masaki Watanabe
  • TONER, IMAGE FORMING METHOD USING THE TONER, AND IMAGE FORMING APPARATUS USING THE TONER
    Publication number: 20110151372
    Abstract: A toner obtained by a toner production method which includes dissolving or dispersing in an organic solvent a toner material containing at least a calixarene derivative and a binder resin or a binder resin precursor, to thereby prepare a solution or dispersion liquid of the toner material, adding the solution or dispersion liquid to an aqueous medium for emulsification or dispersion, to thereby prepare an emulsion or dispersion liquid, and removing the organic solvent from the emulsion or dispersion liquid.
    Type: Application
    Filed: December 7, 2010
    Publication date: June 23, 2011
    Inventors: Masaki Watanabe, Hiroshi Yamashita, Naohiro Watanabe, Tsuneyasu Nagatomo
  • DEVELOPMENT ROLLER INCLUDING A DEVELOPMENT SLEEVE, SURFACE TREATMENT DEVICE THAT TREATS AN OUTER SURFACE OF THE DEVELOPMENT SLEEVE AND WIRE MEMBER THAT ROUGHENS THE OUTER SURFACE OF THE DEVELOPMENT SLEEVE
    Publication number: 20110142501
    Abstract: A development roller, including a development sleeve disposed near a photo conductive drum, a magnetic roller disposed in the development sleeve, and a supplying device configured to supply a developer including a toner and a magnetic carrier to the photo conductive drum uniformly, the development sleeve having an outer surface on which the developer including the toner and the magnetic carrier is adsorbed by a magnetic force of the magnetic roller.
    Type: Application
    Filed: February 18, 2011
    Publication date: June 16, 2011
    Inventors: Noriyuki Kamiya, Tsuyoshi Imamura, Sumio Kamoi, Kyohta Koetsuka, Yoshiyuki Takano, Mieko Terashima, Satoshi Terashima, Hiroya Abe, Shigeharu Nakamura, Masaki Watanabe
  • TONER, DEVELOPER, DEVELOPER CONTAINER, METHOD OF MANUFACTURING TONER, AND IMAGE FORMING METHOD
    Publication number: 20110129773
    Abstract: A toner including a binder resin comprising a modified polyester having an ester bond and a chemical bond other than the ester bond, and a crystalline polyester; and a release agent comprising a microcrystalline wax comprising a hydrocarbon having 20 to 80 carbon atoms which comprises 55 to 70% by weight of a linear hydrocarbon. The microcrystalline wax has an acid value of from 0.1 to 20 mgKOH/g and a melting point of from 65 to 90° C. The melting point is a temperature at which a local maximum endothermic peak is observed in a differential thermal curve measured by differential scanning calorimetry (DSC). The release agent is dispersed in the toner with a dispersion diameter of from 0.06 to 1.50 ?m.
    Type: Application
    Filed: November 3, 2010
    Publication date: June 2, 2011
    Inventors: Hyo SHU, Fumihiro Sasaki, Hiroshi Yamashita, Masaki Watanabe, Junichi Awamura, Tsuyoshi Sugimoto, Teruki Kusahara, Satoshi Ogawa, Ryota Inoue, Daisuke Inoue
  • TONER, METHOD OF MANUFACTURING TONER, DEVELOPER, AND IMAGE FORMING METHOD
    Publication number: 20110086305
    Abstract: A toner including a mother toner comprising a binder resin and a calixarene having a halogen group, and a charge controlling agent having a halogen group that is present on a surface of the mother toner. The ratio of halogen ion to carbon ion on a surface of the toner is from 0.01 to 0.5, when determined by TOF-SIMS. The toner can be prepared by preparing a first liquid by dissolving or dispersing toner components including a calixarene having a halogen group and a binder resin and/or a precursor of the binder resin in an organic solvent; preparing a second liquid by emulsifying or dispersing the first liquid in an aqueous medium; removing the organic solvent from the second liquid; preparing a third liquid by washing the second liquid from which the organic solvent is removed; and adding a charge controlling agent having a halogen group to the third liquid.
    Type: Application
    Filed: October 6, 2010
    Publication date: April 14, 2011
    Inventors: Masaki Watanabe, Hiroshi Yamashita, Tomoh Kubo
  • TONER, DEVELOPER, TONER ACCOMMODATING CONTAINER, PROCESS CARTRIDGE AND IMAGE FORMING METHOD
    Publication number: 20110076607
    Abstract: A toner including at least one polyester resin serving as a binder resin, a colorant, a releasing agent, and a fixing aid, wherein the fixing aid includes a fatty acid amide-based compound, and the fatty acid amide-based compound is at least one of a fatty acid amide compound having a mono- or higher valent amide bond and a fatty acid amide-based compound having a mono- or higher valent amino group or a hydroxyl group.
    Type: Application
    Filed: May 22, 2009
    Publication date: March 31, 2011
    Inventors: Tsuyoshi Sugimoto, Hiroshi Yamashita, Naohiro Watanabe, Shinichi Wakamatsu, Masaki Watanabe, Satoshi Ogawa, Masana Shiba, Junichi Awamura, Naohito Shimota
  • Method and apparatus for acquiring image of internal structure, and computer product
    Patent number: 7899268
    Abstract: An apparatus for acquiring an internal-structure image of an object from a plurality of images of the object photographed by a photographing unit includes a control unit that controls the photographing unit to obtain the images under different photographing conditions; and an extracting unit that extracts a portion common to the images as the internal-structure image.
    Type: Grant
    Filed: June 27, 2005
    Date of Patent: March 1, 2011
    Assignee: Fujitsu Limited
    Inventors: Mitsuaki Fukuda, Toshio Endoh, Takahiro Aoki, Masaki Watanabe
  • Method of manufacturing a hollow body used in an image forming apparatus
    Patent number: 7891094
    Abstract: A method of manufacturing a hollow body having an external surface randomly provided with a large number of depressions is provided. The method includes providing the large number of depressions on the external surface of the hollow body. A profile curve of the external surface in a circumferential direction is obtained while rotating the hollow body. A frequency analysis is performed on the obtained profile curve. A quality of the hollow body is judged by comparing a result of the frequency analysis with a predetermined judgment standard.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: February 22, 2011
    Assignee: Ricoh Company, Ltd.
    Inventors: Tsuyoshi Imamura, Kyohta Koetsuka, Yoshiyuki Takano, Masayuki Ohsawa, Hiroya Abe, Mieko Terashima, Noriyuki Kamiya, Masaki Watanabe, Shigeharu Nakamura
  • TONER, METHOD FOR PRODUCING THE SAME, AND PROCESS CARTRIDGE
    Publication number: 20110033794
    Abstract: A toner containing a binder, a colorant, and a wax having a molecular chain consisting of C—H bond and C—C bond, wherein the mass reduction of the wax at 165° C. is 10% by mass or less, and the total amount of the wax in the toner measured by a DSC method is 1% by mass to 8% by mass, wherein a ratio, Sbet/SF, of a BET specific surface area (Sbet) of the toner to an average circularity (SF) of the toner is 1.0 m2/g or more to less than 3.6 m2/g, wherein the toner is obtained through a process which contains at least emulsifying or dispersing a toner material liquid in an aqueous medium containing a surfactant, and wherein the toner material liquid is a liquid containing toner-forming materials which contains at least the binder, the colorant and the wax.
    Type: Application
    Filed: August 2, 2010
    Publication date: February 10, 2011
    Inventors: Naohiro WATANABE, Naohito SHIMOTA, Yasuaki IWAMOTO, Masana SHIBA, Satoshi KOJIMA, Masaki WATANABE, Tsuneyasu NAGATOMO, Hyo SHU
  • PROCESS FOR PRODUCING SURFACE CONDITIONED ALUMINUM CASTINGS
    Publication number: 20100317260
    Abstract: A process for producing surface conditioned aluminum castings, comprising a step of applying to aluminum castings an alkaline surface conditioning liquid containing at least one organic builder and/or one chelating agent, wherein the alkaline surface conditioning liquid used in the step has a surface conditioning activity (CD; mol/l) in the range of 0.05?CD?2.3 and a coefficient of gloss (CE; g/mol) in the range of 2.8?CE?90.
    Type: Application
    Filed: May 3, 2010
    Publication date: December 16, 2010
    Applicant: Henkel AG & Co. KGaA
    Inventors: Hiroyuki Satoh, Masaki Watanabe, Takao Ogino
  • TONER, AND DEVELOPER, DEVELOPER CONTAINER, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD USING THE TONER
    Publication number: 20100310980
    Abstract: A toner, including a colorant; a binder resin; a release agent; and a fixing supplemental component, wherein the toner has a storage elastic modulus G? (Pa) satisfying the following conditions: 5.0×104<G?<5.0×105 at 80° C. 1.0×104<G?<1.0×105 at 90° C. 5.0×103<G?<5.0×104 at 100° C. 1.0×103<G?<1.0×104 at 120° C. 1.0×103<G?<1.0×104 at 150° C.
    Type: Application
    Filed: May 11, 2010
    Publication date: December 9, 2010
    Inventors: Tsuyoshi Sugimoto, Naohito Shimota, Hiroshi Yamashita, Satoshi Ogawa, Masana Shiba, Junichi Awamura, Tsuneyasu Nagatomo, Masaki Watanabe
  • Registration method for biometrics authentication system, biometrics authentication system, and program for same
    Patent number: 7747043
    Abstract: A biometrics authentication system uses biometrics information to authenticate individuals. A processing unit acquires biometrics information for the same living body a plurality of times from a detection unit, judges the mutual degree of similarity between biometrics characteristic data sets extracted from the above biometrics information acquired a plurality of times, and registers a plurality of biometrics characteristic data sets with a high degree of similarity in a storage unit. As a result, verification can be performed which accommodates changes in the state of the living body, without lowering verification accuracy.
    Type: Grant
    Filed: March 23, 2005
    Date of Patent: June 29, 2010
    Assignees: Fujitsu Limited, Fujitsu Frontech Limited
    Inventors: Hideo Kamata, Takumi Kishino, Shinichi Eguchi, Masaki Watanabe, Toshio Endoh, Mitsuaki Fukuda
  • Power steering device
    Patent number: 7730993
    Abstract: In a power steering device, a hydraulic power cylinder is configured to assist a steering force of a steering mechanism linked to steerable road wheels, a pump is configured to supply a hydraulic pressure to respective pressure chambers of the hydraulic power cylinder, an electric motor is configured to drive the pump, a torque sensor is configured to detect a steering torque of the steering mechanism, an operating load state detecting circuit is configured to detect an operating load state of the pump based on a viscosity resistance characteristic of a working oil, and an electric motor control circuit is configured to output a drive signal to the motor on the basis of a torque signal from the torque sensor and the operating load state of the pump.
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: June 8, 2010
    Assignee: Hitachi, Ltd.
    Inventor: Masaki Watanabe
  • BIOMETRIC AUTHENTICATION DEVICE, BIOMETRIC AUTHENTICATION METHOD, AND RECORDING MEDIUM
    Publication number: 20100127827
    Abstract: A biometric authentication device and method include extracting movement information representing bending and stretching of an imaging object from a plurality of images obtained, and determining whether or not the imaging object is a biological object, based on the movement information.
    Type: Application
    Filed: November 13, 2009
    Publication date: May 27, 2010
    Applicant: FUJITSU LIMITED
    Inventor: Masaki WATANABE
  • Biometrics authentication method and biometrics authentication device
    Patent number: 7725733
    Abstract: A biometrics authentication device uses biometrics information to perform individual authentication. Primary and secondary verification of biometrics characteristic data from an image capture device are performed by a control unit and IC card. The biometrics character data is scrambled and transmitted between devices. The second registration data which is more important to authentication is stored within the IC card, and first registration data is registered in the IC card in a scrambled state. Security is improved, and moreover the load on the CPU of the IC chip in the IC card is reduced.
    Type: Grant
    Filed: February 24, 2005
    Date of Patent: May 25, 2010
    Assignees: Fujitsu Limited, Fujitsu Frontech Limited
    Inventors: Yasuyuki Higashiura, Takumi Kishino, Shinichi Eguchi, Masaki Watanabe, Toshio Endoh, Yutaka Katsumata
  • Aqueous primer composition, method of surface treating by using the same and laminated structure thereof
    Patent number: 7718263
    Abstract: An aqueous primer composition of the present invention includes a water-dispersible polyisocyanate (A) and an acrylic resin water dispersion (B), wherein a polystyrene equivalent weight average molecular weight, determined using gel permeation chromatography, of an acrylic resin in the acrylic resin water dispersion (B) is 350,000 or more, and a glass transition temperature, determined by using a differential scanning calorimeter, of the acrylic resin is 15° C. to 130° C., and a weight ratio between the water-dispersible polyisocyanate (A) and the acrylic resin water dispersion (B) is (A):(B)=70:30 to 50:50.
    Type: Grant
    Filed: August 15, 2005
    Date of Patent: May 18, 2010
    Assignee: DIC Corporation
    Inventors: Yasuhiro Takada, Hideto Hayano, Masaki Watanabe, Masahito Furo
  • METHOD OF MANUFACTURING A HOLLOW BODY USED IN AN IMAGE FORMING APPARATUS
    Publication number: 20100077588
    Abstract: A method of manufacturing a hollow body having an external surface randomly provided with a large number of depressions is provided. The method includes providing the large number of depressions on the external surface of the hollow body. A profile curve of the external surface in a circumferential direction is obtained while rotating the hollow body. A frequency analysis is performed on the obtained profile curve. A quality of the hollow body is judged by comparing a result of the frequency analysis with a predetermined judgment standard.
    Type: Application
    Filed: December 7, 2009
    Publication date: April 1, 2010
    Inventors: Tsuyoshi Imamura, Kyohta Koetsuka, Yoshiyuki Takano, Masayuki Ohsawa, Hiroya Abe, Mieko Terashima, Noriyuki Kamiya, Masaki Watanabe, Shigeharu Nakamura