Patents by Inventor Toshihiko Kanki

Toshihiko Kanki 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).

  • SANDBAG AND METHOD FOR PRODUCING SAME
    Publication number: 20210138434
    Abstract: Provided is a sandbag which is unlikely to break down even when using water-absorbing resin particles therein. A sandbag having a water-permeable bag and water-absorbing resin particles stored in the bag, wherein the pure-water absorption factor of the water-absorbing resin particles is at least a factor of 1,000, and the compression-breaking stress of the water-absorbing resin particles when swollen with pure water is at least 0.1N.
    Type: Application
    Filed: March 27, 2019
    Publication date: May 13, 2021
    Applicant: Sumitomo Seiko Chemicals Co., Ltd.
    Inventors: Tomoe YAMAMOTO, Toshihiko KANKI
  • WATER-ABSORBING EXFOLIATOR, METHOD FOR PRODUCING SAME, AND COSMETIC
    Publication number: 20210022965
    Abstract: Provided is an exfoliator which absorbs water and exhibits suitable hardness, provides little skin stimulation, and has a favorable skin massaging effect. The exfoliator exhibits a pure-water absorption factor of at least 30 times, and exhibits a compression-breaking stress of 0.14-1.40 N upon absorbing water and swelling to 30 times the initial mass thereof.
    Type: Application
    Filed: March 27, 2019
    Publication date: January 28, 2021
    Inventors: Tomoe Yamamoto, Toshihiko Kanki
  • Sulfone compound
    Patent number: 8466324
    Abstract: It is an object of the present invention to provide an aprotic polar solvent mainly useful as a solvent for an electrochemical device, and having a comparatively low melting point and excellent thermal stability. The present invention is a sulfone compound represented by formula (1), wherein, in formula (1), R1 represents a C6-C8 branched-chain alkyl group.
    Type: Grant
    Filed: October 14, 2009
    Date of Patent: June 18, 2013
    Assignee: Sumitomo Seika Chemicals Co., Ltd.
    Inventors: Takeshi Takeuchi, Takehiro Hiyama, Chun Li, Toshihiko Kanki
  • SULFONE COMPOUND
    Publication number: 20110306797
    Abstract: It is an object of the present invention to provide an aprotic polar solvent mainly useful as a solvent for an electrochemical device, and having a comparatively low melting point and excellent thermal stability. The present invention is a sulfone compound represented by the following formula (1), wherein, in the formula (1), R1 and R2 each represent a C3-C6 alkyl group, and R1 and R2 are different.
    Type: Application
    Filed: October 14, 2009
    Publication date: December 15, 2011
    Applicant: SUMITOMO SEIKA CHEMICALS CO., LTD.
    Inventors: Takeshi Takeuchi, Takehiro Hiyama, Chun Li, Toshihiko Kanki
  • SULFONE COMPOUND
    Publication number: 20110257438
    Abstract: It is an object of the present invention to provide an aprotic polar solvent mainly useful as a solvent for an electrochemical device, and having a comparatively low melting point and excellent thermal stability. The present invention is a sulfone compound represented by formula (1), wherein, in formula (1), R1 represents a C6-C8 branched-chain alkyl group.
    Type: Application
    Filed: October 14, 2009
    Publication date: October 20, 2011
    Applicant: SUMITOMO SEIKA CHEMICALS CO., LTD.
    Inventors: Takeshi Takeuchi, Takehiro Hiyama, Chun Li, Toshihiko Kanki