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: 20080119422
    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: Application
    Filed: January 31, 2006
    Publication date: May 22, 2008
    Inventors: Sumihiro Nomura, Yasuo Yamamoto
  • Publication number: 20080076917
    Abstract: The present invention relates to compounds represented by formula (1) and a process for producing the same. The use of these compounds can realize the production of carbapenem derivatives having potent antimicrobial activity and a wide antimicrobial spectrum in a safe and cost-effective manner.
    Type: Application
    Filed: December 15, 2003
    Publication date: March 27, 2008
    Applicant: Meiji Seika Kaisha, Ltd.
    Inventors: Toshiro Sasaki, Takashi Ando, Yasuo Yamamoto, Takahiro Imai, Dai Kubota, Katsuhiko Noguchi, Nobuyuki Hori, Eiki Shitara, Kunio Atsumi, Shohei Yasuda
  • Patent number: 7325418
    Abstract: The present invention is directed to reduce the total footprint of a press forming system for glass having a plurality of press units, and also to increase an actual availability of each press unit. A plurality of press units are arranged in two parallel rows and a first transfer robot is arranged at the center of the space between the two rows. In adjacent of the moving area of the first transfer robot, a palette changer is arranged. A tray in use is mounted on a first base of the palette changer and a stand-by tray before use is placed on a second base. Blanks and formed products are stored in the tray. Press units equipped with second transfer robots, respectively. In front of the press units, intermediate transfer points are respectively provided for temporarily storing a blank and a formed product.
    Type: Grant
    Filed: May 9, 2003
    Date of Patent: February 5, 2008
    Assignee: Toshiba Machine Co., Ltd.
    Inventors: Yasuo Yamamoto, Isao Matsuzuki, Hiroshi Murakoshi, Hirotaka Masaki
  • Patent number: 7321460
    Abstract: The invention provides particles for a display device having a positively or negatively chargeable property and color, and the particles have an abundance ratio of amorphous particles with a major axis to minor axis length ratio of approximately 1.2 or greater is approximately 5% or less by number.
    Type: Grant
    Filed: September 15, 2004
    Date of Patent: January 22, 2008
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Satoshi Hiraoka, Hidehiko Soyama, Yasuo Yamamoto
  • Patent number: 7319554
    Abstract: The invention provides a display medium including: a pair of substrates facing one another, at least one of the substrates being transparent; electrodes provided at opposing surfaces of the pair of substrates; and a light modulating layer disposed between the pair of substrates, the light modulating layer containing electrophoretic colored particles, a dispersion medium for dispersing the electrophoretic colored particles, and a reflection member having light reflection characteristics different from those of the electrophoretic colored particles, and the surface of the electrophoretic colored particles and the surface of the reflection member satisfying the following formula (1): 180>|?p??r|?20, in formula (1), ?p representing a contact angle (degrees) between the surface of the electrophoretic colored particles and water, and ?r representing a contact angle (degrees) between the surface of the reflection member and water.
    Type: Grant
    Filed: February 7, 2007
    Date of Patent: January 15, 2008
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Masaaki Abe, Hiroaki Moriyama, Yasuo Yamamoto, Yasufumi Suwabe, Yoshinori Machida, Kiyoshi Shigehiro
  • Publication number: 20070297040
    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: Application
    Filed: November 16, 2006
    Publication date: December 27, 2007
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Kei Shimotani, Jun Kawahara, Satoshi Tatsuura, Yasuo Yamamoto
  • Publication number: 20070284261
    Abstract: The present invention provides a method for manufacturing silver triangular pyramid particles including: forming an electric field in an electrolytic solution including silver ions and a surfactant to reduce the silver ions into silver triangular pyramid particles.
    Type: Application
    Filed: November 16, 2006
    Publication date: December 13, 2007
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Kei Shimotani, Jun Kawahara, Satoshi Tatsuura, Yasuo Yamamoto
  • Publication number: 20070279378
    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: Application
    Filed: November 20, 2006
    Publication date: December 6, 2007
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Takayuki Takeuchi, Satoshi Tatsuura, Kei Shimotani, Jun Kawahara, Yasuo Yamamoto
  • Patent number: 7295364
    Abstract: Disclosed are a colorant comprising a particulate base material and particles having the color strength due to the surface plasmon resonance, the particles being supported on or contained in the particulate base material, particles for display device using the colorant, an image display medium using the particles for display device and an image forming apparatus using the image display medium.
    Type: Grant
    Filed: December 13, 2005
    Date of Patent: November 13, 2007
    Assignee: Fuji Xerox Co., Ltd.
    Inventor: Yasuo Yamamoto
  • Patent number: 7288144
    Abstract: A non-aqueous ink-jet ink composition contains at least a pigment, a solvent, and a dispersing agent. The non-aqueous ink-jet ink composition further contains a chelating agent, which is soluble in the solvent. The chelating agent may be a crown ether and/or a cryptand, which acts as a neutral carrier. Alternatively, the chelating agent may be at least one chelating agent acting as an ionic carrier, which is selected from the group consisting of GEDTA, BAPTA, and DTPA. The non-aqueous ink-jet ink composition has good storage stability and good jetting-out performance through suppression of occurrence of sediments due to a change with the passage of time.
    Type: Grant
    Filed: April 8, 2005
    Date of Patent: October 30, 2007
    Inventors: Shunsuke Uozumi, Yasuo Yamamoto
  • Publication number: 20070236768
    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: November 15, 2006
    Publication date: October 11, 2007
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Jun Kawahara, Satoshi Tatsuura, Kei Shimotani, Yasuo Yamamoto
  • Publication number: 20070126694
    Abstract: A display medium including a light-modulating layer containing charged mobile particles assuming a color at a lightness corresponding to the dispersion state of the charged mobile particles and first particles with lower mobility than the charged mobile particles. The first particles assume a color at a lightness that is outside a lightness range that the charged mobile particles can exhibit.
    Type: Application
    Filed: June 7, 2006
    Publication date: June 7, 2007
    Inventors: Hiroaki Moriyama, Yasuo Yamamoto, Jun Kawahara, Masaaki Abe
  • Publication number: 20070120814
    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: Application
    Filed: May 22, 2006
    Publication date: May 31, 2007
    Inventors: Hiroaki Moriyama, Yasuo Yamamoto, Jun Kawahara, Masaaki Abe
  • Patent number: 7205709
    Abstract: The present invention provides an image display medium including a pair of substrates disposed so as to face each other and first and second particles contained in space between the pair of substrates, wherein the first particles can be positively or negatively charged due to external stimulus and have one color and a particle size distribution in which at least one peak is present on a coarse side of the most frequent particle diameter of the first particles, and the second particles are not charged or can be charged due to the external stimulus to have polarity opposite to that of the first particles and have another color: and an image formation device comprising the image display medium and a generator for generating an electric field between the pair of substrates in accordance with an image to be displayed.
    Type: Grant
    Filed: August 30, 2004
    Date of Patent: April 17, 2007
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yasuo Yamamoto, Hidehiko Soyama, Satoshi Hiraoka
  • Publication number: 20070063964
    Abstract: A displaying method includes forming nuclear crystals of a metal on an electrode, and depositing a metal on a surface of the nuclear crystals from a solution including a metallic ion, so as to form particles having a particle diameter corresponding to a display color.
    Type: Application
    Filed: January 12, 2006
    Publication date: March 22, 2007
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Jun Kawahara, Yasuo Yamamoto, Kei Shimotani
  • Publication number: 20070032485
    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; alky, 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: Application
    Filed: September 27, 2006
    Publication date: February 8, 2007
    Inventors: Hitoshi Kubota, Yoshinori Nakamura, Takanori Higashijima, Yasuo Yamamoto, Kozo Oka, Shigeki Igarashi
  • Publication number: 20070024189
    Abstract: An EL element includes a first electrode, a first insulating layer, a luminous layer, a second insulating layer, and a second electrode, which are laminated on an insulating substrate in this order. At least one of the first insulating layer and the second insulating layer is an HfO2/TiO2 film in which a plurality of HfO2 films and a plurality of TiO2 films are layered alternately.
    Type: Application
    Filed: July 27, 2006
    Publication date: February 1, 2007
    Applicant: Denso Corporation
    Inventors: Yasuo Yamamoto, Takashi Inoue, Masayuki Katayama
  • Publication number: 20060290595
    Abstract: The image display device of the present invention includes: a display layer that comprises a photochromic compound and whose regions, which have been irradiated with visible light, can be optically rewritten in a color corresponding to the color of visible light irradiated thereon; a light-emitting layer in which multiple luminescent elements are arranged in a matrix pattern, the elements irradiating visible light to each different region of the display layer by emitting light; and a drive unit provided with an obtaining unit that obtains image data. Based on image data obtained with the obtaining unit, the drive unit drives each luminescent element corresponding to each pixel of an image according to the image data to irradiate the visible light of a color corresponding to each pixel of the image of the image data.
    Type: Application
    Filed: February 14, 2006
    Publication date: December 28, 2006
    Inventors: Takayuki Takeuchi, Yasuo Yamamoto, Jun Kawahara, Hiroaki Moriyama, Rie Ishii
  • Publication number: 20060290653
    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: Application
    Filed: February 13, 2006
    Publication date: December 28, 2006
    Inventors: Jun Kawahara, Rie Ishii, Takayuki Takeuchi, Hiroaki Moriyama, Yasuo Yamamoto
  • Patent number: D550548
    Type: Grant
    Filed: February 8, 2005
    Date of Patent: September 11, 2007
    Assignee: Nifco Inc.
    Inventor: Yasuo Yamamoto