Patents by Inventor Kouichiro Tanaka

Kouichiro Tanaka 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).

  • Fiber-reinforced thermoplastic resin prepreg and shaped article
    Patent number: 11912826
    Abstract: Provided is a fiber-reinforced thermoplastic resin prepreg which exhibits high interfacial adhesion between reinforcement fibers and a matrix resin, while having excellent interlaminar fracture resistance. The fiber-reinforced thermoplastic resin prepreg of the present invention comprises: a matrix resin comprising a polyarylketone resin and a polyetherimide resin; and a carbon fiber, wherein the polyetherimide resin in the matrix resin comprises a polyetherimide resin having a structural unit represented by Formula (1), an amount of the polyetherimide resin in the matrix resin (100% by mass) is 3% by mass to 25% by mass, and an amount of the polyarylketone resin in the matrix resin (100% by mass) is 75% by mass or more.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: February 27, 2024
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Takahiro Hayashi, Takeshi Ishikawa, Kouichiro Taniguchi, Kazuya Tanaka, Masayasu Hasuike
  • Cellulosic particles, spherical object comprising cross-linked polymer particles, and adsorbent for body fluid purification
    Patent number: 7763348
    Abstract: The present invention relates to a cellulosic particle body comprising interconnected cellulosic small particles with small interparticle spaces and to a method of producing said cellulosic particle body which comprises dispersing cellulosic small particles in an alkaline medium and contacting the resulting suspension with a coagulating solution. In this specification, the above technology will be referred to as the first invention.
    Type: Grant
    Filed: November 9, 2007
    Date of Patent: July 27, 2010
    Assignee: Kaneka Corporation
    Inventors: Kouji Fujita, Tsutomu Okuyama, Kouichiro Tanaka, Satoshi Takata
  • CELLULOSIC PARTICLES, SPHERICAL OBJECT COMPRISING CROSS-LINKED POLYMER PARTICLES, AND ADSORBENT FOR BODY FLUID PURIFICATION
    Publication number: 20080070027
    Abstract: The present invention relates to a cellulosic particle body comprising interconnected cellulosic small particles with small interparticle spaces and to a method of producing said cellulosic particle body which comprises dispersing cellulosic small particles in an alkaline medium and contacting the resulting suspension with a coagulating solution. In this specification, the above technology will be referred to as the first invention.
    Type: Application
    Filed: November 9, 2007
    Publication date: March 20, 2008
    Applicant: Kaneka Corporation
    Inventors: Kouji Fujita, Tsutomu Okuyama, Kouichiro Tanaka, Satoshi Takata
  • Cellulosic particles, spherical object comprising cross-linked polymer particles, and adsorbent for body fluid purification
    Publication number: 20030186041
    Abstract: The present invention relates to a cellulosic particle body comprising interconnected cellulosic small particles with small interparticle spaces and to a method of producing said cellulosic particle body which comprises dispersing cellulosic small particles in an alkaline medium and contacting the resulting suspension with a coagulating solution. In this specification, the above technology will be referred to as the first invention.
    Type: Application
    Filed: April 24, 2003
    Publication date: October 2, 2003
    Applicant: Kaneka Corporation
    Inventors: Kouji Fujita, Tsutomu Okuyama, Kouichiro Tanaka, Satoshi Takata
  • Cellulosic particles, spherical object comprising cross-linked polymer particles, and adsorbent for body fluid purification
    Patent number: 6599620
    Abstract: The present invention relates to a cellulosic particle body comprising interconnected cellulosic small particles with small interparticle spaces and to a method of producing said cellulosic particle body which comprises dispersing cellulosic small particles in an alkaline medium and contacting the resulting suspension with a coagulating solution. In this specification, the above technology will be referred to as the first invention.
    Type: Grant
    Filed: August 17, 1999
    Date of Patent: July 29, 2003
    Assignee: Kaneka Corporation
    Inventors: Kouji Fujita, Tsutomu Okuyama, Kouichiro Tanaka, Satoshi Takata
  • CELLULOSIC PARTICLES, SPHERICAL OBJECT COMPRISING CROSS-LINKED POLYMER PARTICLES, AND ADSORBENT FOR BODY FLUID PURIFICATION
    Publication number: 20030012941
    Abstract: The present invention relates to a cellulosic particle body comprising interconnected cellulosic small particles with small interparticle spaces and to a method of producing said cellulosic particle body which comprises dispersing cellulosic small particles in an alkaline medium and contacting the resulting suspension with a coagulating solution. In this specification, the above technology will be referred to as the first invention.
    Type: Application
    Filed: August 17, 1999
    Publication date: January 16, 2003
    Inventors: KOUJI FUJITA, TSUTOMU OKUYAMA, KOUICHIRO TANAKA, SATOSHI TAKATA