Patents by Inventor Tatsuya Kageyama

Tatsuya Kageyama 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).

  • SECONDARY BATTERY
    Publication number: 20230099392
    Abstract: A secondary battery includes an outer package member, a battery device, and a non-aqueous solution. The outer package member includes iron. The battery device and the non-aqueous solution are contained inside the outer package member. The battery device includes a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode and the negative electrode are opposed to each other and are wound. The positive electrode and the negative electrode are each impregnated with the electrolytic solution. The negative electrode is electrically coupled to the outer package member, and includes at least one selected from the group consisting of polyvinylidene difluoride, a polyacrylic acid, a polyacrylic acid salt, polyacrylonitrile, and derivatives thereof. The non-aqueous solution is disposed in at least a portion of a space around the battery device inside the outer package member. The electrolytic solution and the non-aqueous solution each include a dinitrile compound.
    Type: Application
    Filed: November 28, 2022
    Publication date: March 30, 2023
    Inventors: Toshikazu NAKAMURA, Tatsuya KAGEYAMA, Yusuke WAKATA
  • Correction ink for micro defect of color pattern, color filter, method for correcting micro defect of color pattern, and process for producing ink
    Patent number: 7837316
    Abstract: A correction ink of the present invention is used for correcting a micro defect in a color pattern, which includes a coloring agent, polymer, monomer having reactivity functional group and a solvent, wherein an amount of the solvent is from 25% by weight to 70% by weight of the whole ink, and a viscosity is from 40 to 300 mPa·sec.
    Type: Grant
    Filed: August 26, 2008
    Date of Patent: November 23, 2010
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Seiji Tawaraya, Shunsuke Sega, Katsunori Arai, Tatsuya Kageyama
  • Correction ink for micro defect of color pattern, color filter, method for correcting micro defect of color pattern, and process for producing ink
    Patent number: 7530682
    Abstract: A correction ink of the present invention is used for correcting a micro defect in a color pattern, which includes a coloring agent, polymer, monomer having reactivity functional group and a solvent, wherein an amount of the solvent is from 25% by weight to 70% by weight of the whole ink, and a viscosity is from 40 to 300 mPa·sec.
    Type: Grant
    Filed: July 28, 2003
    Date of Patent: May 12, 2009
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Seiji Tawaraya, Shunsuke Sega, Katsunori Arai, Tatsuya Kageyama
  • CORRECTION INK FOR MICRO DEFECT OF COLOR PATTERN, COLOR FILTER, METHOD FOR CORRECTING MICRO DEFECT OF COLOR PATTERN, AND PROCESS FOR PRODUCING INK
    Publication number: 20090098308
    Abstract: A correction ink of the present invention is used for correcting a micro defect in a color pattern, which comprises a coloring agent, polymer, monomer having reactivity functional group and a solvent, wherein an amount of the solvent is from 25% by weight to 70% by weight of the whole ink, and a viscosity is from 40 to 300 mPa·sec.
    Type: Application
    Filed: August 26, 2008
    Publication date: April 16, 2009
    Inventors: Seiji TAWARAYA, Shunsuke SEGA, Katsunori ARAI, Tatsuya KAGEYAMA
  • Correction ink for micro defect of color pattern, color filter, method for correcting micro defect of color pattern, and process for producing ink
    Publication number: 20040130606
    Abstract: A correction ink of the present invention is used for correcting a micro defect in a color pattern, which comprises a coloring agent, polymer, monomer having reactivity functional group and a solvent, wherein an amount of the solvent is from 25% by weight to 70% by weight of the whole ink, and a viscosity is from 40 to 300 mPa.sec.
    Type: Application
    Filed: July 28, 2003
    Publication date: July 8, 2004
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Seiji Tawaraya, Shunsuke Sega, Katsunori Arai, Tatsuya Kageyama