Patents by Inventor Yasuo Yamamoto

Yasuo Yamamoto 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).

  • Publication number: 20110216393
    Abstract: The invention provides a display method for displaying an image by deposition of metal fine particles. The display method includes at least depositing metal fine particles, from an electrolytic solution that has at least a metal ion of the metal particles and that is provided between a pair of substrates having at least one translucent substrate, onto a surface of any one of the pair of substrates by imparting one stimulus. A concentration of the metal ion of the metal fine particles in the electrolytic solution after imparting the stimulus is about 200 mmol/l or less. The invention further provides a display device which uses the display method.
    Type: Application
    Filed: May 12, 2011
    Publication date: September 8, 2011
    Applicant: Fuji Xerox Co., Ltd.
    Inventors: Jun Kawahara, Satoshi Tatsuura, Kei Shimotani, Yasuo Yamamoto
  • Patent number: 7998956
    Abstract: The present invention relates to a compound, useful as a mineralocorticoid receptor-modulating agent, of the following formula [I]: wherein Ring A is a benzene ring optionally having a substituent(s) other than R1 etc, R1 is a group of the formula: RaSO2NH— etc, Ra is an alkyl group etc, R2 and R3 are each a hydrogen atom, a phenyl group, an optionally substituted alkyl group etc, X is an oxygen atom etc, Y is a group of the formula: —C(?O)— etc, Ar is an optionally substituted aryl group or an optionally substituted heteroaryl group, Q is a single bond, an alkylene group etc, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: February 1, 2007
    Date of Patent: August 16, 2011
    Assignee: Mitsubishi Tanabe Pharma Corporation
    Inventors: Toru Iijima, Yasuo Yamamoto, Hidenori Akatsuka, Takayuki Kawaguchi
  • Publication number: 20110175939
    Abstract: The invention provides a display device including a display medium, the display medium including a pair of substrates positioned so as to have a space therebetween, at least one of the substrates having translucency; a pair of electrodes respectively being positioned on the pair of substrates, the electrode positioned on the substrate having translucency having translucency; a dispersion medium positioned between the pair of electrodes; and first particles and second particles being dispersed in the dispersion medium and having different colors and different charge polarities, the first particles and the second particles electrophoretically moving independently from each other when a first voltage potential difference is applied between the pair of electrodes, and the first particles and the second particles electrophoretically moving while forming a positively or negatively charged flocculation when a second voltage potential difference that is smaller than the first voltage potential difference is applied b
    Type: Application
    Filed: September 2, 2010
    Publication date: July 21, 2011
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Hiroaki MORIYAMA, Yoshinori MACHIDA, Yasuo YAMAMOTO
  • Patent number: 7965438
    Abstract: The invention provides a display method for displaying an image by deposition of metal fine particles. The display method includes at least depositing metal fine particles, from an electrolytic solution that has at least a metal ion of the metal particles and that is provided between a pair of substrates having at least one translucent substrate, onto a surface of any one of the pair of substrates by imparting one stimulus. A concentration of the metal ion of the metal fine particles in the electrolytic solution after imparting the stimulus is about 200 mmol/l or less. The invention further provides a display device which uses the display method.
    Type: Grant
    Filed: November 15, 2006
    Date of Patent: June 21, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Jun Kawahara, Satoshi Tatsuura, Kei Shimotani, Yasuo Yamamoto
  • Patent number: 7935674
    Abstract: Novel indole derivatives of formula (I) or a pharmaceutically acceptable salt thereof: wherein R1 is halogen, or alkyl, R2 is hydrogen, or halogen, Ar is phenyl, or thienyl, which may be substituted with halogen, alkyl, alkoxy, alkylthio, etc.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: May 3, 2011
    Assignee: Mitsubishi Tanabe Pharma Corporation
    Inventors: Sumihiro Nomura, Yasuo Yamamoto
  • Patent number: 7907323
    Abstract: A predetermined image is displayed forming an electric field in an electrolytic layer comprising an electrolytic solution containing at least a metal ion, thereby, depositing the metal ion in the electrolytic solution layer as a polygonal metal particle.
    Type: Grant
    Filed: November 16, 2006
    Date of Patent: March 15, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Kei Shimotani, Jun Kawahara, Satoshi Tatsuura, Yasuo Yamamoto
  • Publication number: 20110043441
    Abstract: Electrophoretic particles including mother particles and a dispersant that covers the surface of the mother particles, the mother particles including a resin and a colorant, and the dispersant having a structure represented by the following Formula (1): wherein in Formula (1), R1 represents a dimethyl siloxane chain that comprises two or more dimethyl siloxane structures that are linked together, the dimethyl siloxane chain being optionally substituted by an organic group; R2 represents a hydrogen atom or a methyl group; Ar1 represents an organic group having an aromatic group; a represents an integer of from 8 to 88; b represents an integer of from 12 to 82; c represents an integer of from 0 to 30; f represents an integer of from 1 to 3; the total of a, b and c is 100; and the ratio of unit (b) in the dispersant having a structure represented by Formula (1) is about 50% by weight or less.
    Type: Application
    Filed: March 15, 2010
    Publication date: February 24, 2011
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Nami TOKUNAGA, Jun KAWAHARA, Daisuke NAKAYAMA, Yasuo YAMAMOTO, Hiroaki MORIYAMA
  • Patent number: 7864406
    Abstract: The present invention provides display device particles that have positive or negative chargeability and have color and are produced using at least a calcium compound, in which a concentration of the calcium compound in the display device particle is 0.05% by weight or less in terms of a calcium element content, a process for producing the display device particles, as well as an image-display medium and an image-forming device each using the display device particles.
    Type: Grant
    Filed: September 25, 2009
    Date of Patent: January 4, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hidehiko Soyama, Satoshi Hiraoka, Yasuo Yamamoto
  • Patent number: 7855829
    Abstract: Particles for display including color particles and a silicone polymer attached to a surface of the color particles, the silicone polymer including, as copolymerization components, a first silicone chain component, a second silicone component including a silicone chain that is shorter than a silicone chain of the first silicone component, and a component including a charging group.
    Type: Grant
    Filed: September 8, 2009
    Date of Patent: December 21, 2010
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yasuo Yamamoto, Hiroaki Moriyama, Yoshinori Machida
  • Patent number: 7852314
    Abstract: The present invention provides a display medium including: a pair of substrates at least one of which has transparency; supporting members which partition a space between the pair of substrates into plural cells along surfaces of the substrates; metal ions which are injected into the plural cells and are deposited as metal fine particles by an electric field generated in the cells; and plural electrodes that have two or more types of electrode regions having different areas and that are provided in each of the cells on at least one of the pair of substrates.
    Type: Grant
    Filed: November 20, 2006
    Date of Patent: December 14, 2010
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Takayuki Takeuchi, Satoshi Tatsuura, Kei Shimotani, Jun Kawahara, Yasuo Yamamoto
  • Publication number: 20100225998
    Abstract: Particles for display including color particles and a silicone polymer attached to a surface of the color particles, the silicone polymer including, as copolymerization components, a first silicone chain component, a second silicone component including a silicone chain that is shorter than a silicone chain of the first silicone component, and a component including a charging group
    Type: Application
    Filed: September 8, 2009
    Publication date: September 9, 2010
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yasuo YAMAMOTO, Hiroaki MORIYAMA, Yoshinori MACHIDA
  • Publication number: 20100225997
    Abstract: White particles for display including first white particles that move in response to an electric field and second white particles that do not move in response to an electric field, the second white particles having a volume average particle size that is less than that of the first white particles, and a ratio of the numerical amount of the first white particles/the second white particles (L/S) satisfying the following relationship: 1/(5.1×107)?L/S?1/(2.8×104).
    Type: Application
    Filed: September 2, 2009
    Publication date: September 9, 2010
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yasuo YAMAMOTO, Hiroaki MORIYAMA, Yoshinori YAMAGUCHI
  • Publication number: 20100225228
    Abstract: White particles for display including at least one of a chain or cyclic polysilane compound having a polysilane structure represented by the following Formula (I) or a halogen-substituted compound thereof: wherein in Formula (I), A represents a phenyl group, B represents an alkyl group or a phenyl group, and n represents an integer of from 5 to 1000.
    Type: Application
    Filed: September 2, 2009
    Publication date: September 9, 2010
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yasuo YAMAMOTO, Hiroaki MORIYAMA
  • Patent number: 7781443
    Abstract: A novel compound of the formula (I): wherein R1 is alkoxycarbonyl or the like, R2 is alkyl or the like; R3 is hydrogen or the like; R4 is alkylene or the like; R5 is optionally substituted heterocyclic group; R6, R7, and R8 are independently hydrogen; alkyl, alkoxy, or the like; R10 is optionally substituted aromatic ring, or the like; or a pharmaceutically acceptable salt thereof, which has an inhibitory activity against cholesteryl ester transfer protein (CETP).
    Type: Grant
    Filed: September 27, 2006
    Date of Patent: August 24, 2010
    Assignee: Mitsubishi Tanabe Pharma Corporation
    Inventors: Hitoshi Kubota, Yoshinori Nakamura, Takanori Higashijima, Yasuo Yamamoto, Kozo Oka, Shigeki Igarashi
  • Publication number: 20100160603
    Abstract: The invention provides a pharmaceutical formulation comprising drug-encapsulated polymer micelles formed from a block copolymer having a hydrophilic segment and hydrophobic segment, and has been subjected to high-pressure treatment. The invention also provides a treatment method for a block copolymer having a hydrophilic segment and a hydrophobic segment for formation of drug-encapsulated polymer micelles, the treatment method comprises a step of subjecting the block copolymer to high-pressure treatment.
    Type: Application
    Filed: March 9, 2010
    Publication date: June 24, 2010
    Inventors: Yasuo Yamamoto, Miho Kokubo
  • Patent number: 7715086
    Abstract: The invention provides a display method, and a display medium and a display device using the method thereof. The display method displays an image through a process for depositing fine metal particles, in which fine metal particles are deposited on a solid surface from an electrolyte by giving one stimulus to the electrolyte, wherein the particle size distribution of the fine metal particles that are deposited on the specific area of the solid surface, has one or more maximum peaks, and at least one of the maximum peaks satisfies the following formula (1): Pp(±30)/Pp(T)?0.5??(1) where, Pp(T) means the height of the highest peak among the maximum peaks, and Pp(±30) means the height of the distribution curve at the particle size that is ±30% from the particle size of the fine metal particles at the height of the highest peak.
    Type: Grant
    Filed: March 29, 2006
    Date of Patent: May 11, 2010
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yasuo Yamamoto, Jun Kawahara, Takayuki Takeuchi, Hiroaki Moriyama, Rie Ishii
  • Patent number: 7688496
    Abstract: The invention provides a display medium having a dimmer layer which comprises at least two kinds of charged mobile fine particles. Each of the at least two kinds of the charged mobile fine particles respectively has different coloration and a different mobility, and the charged mobile fine particles of at least one kind of the at least two kinds show coloration when in a dispersed state. The invention further provides a display device having an electric field forming unit and the dimmer layer. The invention further provides a display method which uses the display medium and includes putting the charged mobile fine particles of at least one of the kinds being dispersed while having other charged mobile fine particles not being dispersed.
    Type: Grant
    Filed: May 22, 2006
    Date of Patent: March 30, 2010
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hiroaki Moriyama, Yasuo Yamamoto, Jun Kawahara, Masaaki Abe
  • Publication number: 20100073281
    Abstract: A display medium includes: a pair of substrates having electrodes and disposed to form a space therebetween, at least one of the substrates transmitting light; a dispersion medium enclosed between the substrates; a group of particles that is dispersed in the dispersion medium and that moves in the dispersion medium according to an electric field applied between the substrates; and a treatment layer provided on at least one of surfaces of the substrates that oppose each other, the treatment layer being formed by treating the at least one of surfaces of the substrates that oppose each other with a polymer compound having a silicone chain.
    Type: Application
    Filed: March 5, 2009
    Publication date: March 25, 2010
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Hiroaki MORIYAMA, Yoshinori MACHIDA, Yasuo YAMAMOTO, Ryojiro AKASHI, Akira IMAI
  • Publication number: 20100012903
    Abstract: The present invention provides display device particles that have positive or negative chargeability and have color and are produced using at least a calcium compound, in which a concentration of the calcium compound in the display device particle is 0.05% by weight or less in terms of a calcium element content, a process for producing the display device particles, as well as an image-display medium and an image-forming device each using the display device particles.
    Type: Application
    Filed: September 25, 2009
    Publication date: January 21, 2010
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Hidehiko SOYAMA, Satoshi Hiraoka, Yasuo Yamamoto
  • Patent number: 7619610
    Abstract: A display device of the present invention comprises display unit cells having a display region that shows coloration, a shield region that shields the coloration, and a horizontal projection surface area adjustment unit that relatively changes the horizontal projection surface area in the display region by increasing or decreasing the shielding region; and a display method using the display device.
    Type: Grant
    Filed: February 13, 2006
    Date of Patent: November 17, 2009
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Jun Kawahara, Rie Ishii, Takayuki Takeuchi, Hiroaki Moriyama, Yasuo Yamamoto