Patents by Inventor Takahiro Oizumi

Takahiro Oizumi 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).

  • Process for producing chlorine
    Publication number: 20050031529
    Abstract: A process for producing chlorine by oxidizing hydrogen chloride with oxygen. The process uses various supported ruthenium catalysts or a catalyst system containing (A) an active component of a catalyst and (B) a compound having thermal conductivity of a solid phase measured by at least one point within a range from 200 to 500° C. of not less than 4 W/m. ° C. Specifically, in the drafted Abstract, we proposed to delete the detailed description of various supported ruthenium catalysts which is present on pages 12 and 13 of the specification and in Claim 1.
    Type: Application
    Filed: September 2, 2004
    Publication date: February 10, 2005
    Inventors: Takuo Hibi, Hiroaki Abekawa, Kohei Seki, Tatsuya Suzuki, Tetsuya Suzuta, Kiyoshi Iwanaga, Takahiro Oizumi
  • Process for producing chlorine
    Patent number: 6852667
    Abstract: A process for producing chlorine by oxidizing hydrogen chloride with oxygen. The process uses various supported ruthenium catalysts or a catalyst system containing (A) an active component of a catalyst and (B) a compound having thermal conductivity of a solid phase measured by at least one point within a range from 200 to 500° C. of not less than 4 W/m. ° C.
    Type: Grant
    Filed: February 12, 1999
    Date of Patent: February 8, 2005
    Assignee: Sumitomo Chemical Company Limited
    Inventors: Takuo Hibi, Hiroaki Abekawa, Kohei Seki, Tatsuya Suzuki, Tetsuya Suzuta, Kiyoshi Iwanaga, Takahiro Oizumi
  • PROCESS FOR PRODUCING CHLORINE
    Publication number: 20020028173
    Abstract: The present invention is to provide a process for producing chlorine by oxidizing hydrogen chloride with oxygen, wherein said process uses one catalyst selected from the following catalysts (1) to (9):
    Type: Application
    Filed: February 12, 1999
    Publication date: March 7, 2002
    Inventors: TAKUO HIBI, HIROAKI ABEKAWA, KOHEI SEKI, TATSUYA SUZUKI, TETSUYA SUZUTA, KIYOSHI IWANAGA, TAKAHIRO OIZUMI
  • Packing box for fishing line
    Patent number: D581262
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: November 25, 2008
    Assignee: Kureha Corporation
    Inventors: Koji Suyama, Keisuke Narumi, Takahiro Oizumi
  • Packing box for fishing line
    Patent number: D581263
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: November 25, 2008
    Assignee: Kureha Corporation
    Inventors: Koji Suyama, Keisuke Narumi, Takahiro Oizumi
  • Label
    Patent number: D629044
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: December 14, 2010
    Assignee: Kureha Corporation
    Inventors: Koji Suyama, Keisuke Narumi, Takahiro Oizumi