Patents by Inventor Yoshimi Kawasaki

Yoshimi Kawasaki 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).

  • Patent number: 11945249
    Abstract: The present invention provides a thermosensitive recording medium having a high degree of water resistance and excellent surface qualities. The thermosensitive recording medium has a thermosensitive recording layer comprising a colorless or pale colored basic leuco dye and an electron accepting developing agent on a substrate, but does not have a protective layer on the thermosensitive recording layer, and the thermosensitive recording layer further comprises (i) a carboxy-modified polyvinyl alcohol as a binder, (ii) an epichlorohydrin resin and a modified polyamine/amide resin (excluding those contained in the category of epichlorohydrin resin) as crosslinking agents, and (iii) an acrylic resin with a glass transition temperature (Tg) of lower than or equal to 50 degree C. and a minimum film forming temperature (MFT) of higher than or equal to 40 degree C.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: April 2, 2024
    Assignee: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Kentaro Kawasaki, Yoshimi Midorikawa, Kenji Hirai
  • Patent number: 11912052
    Abstract: Provided is a thermosensitive recording medium having excellent oil resistance among various performances required for the thermosensitive recording medium. The thermosensitive recording medium has a thermosensitive recording layer comprising a colorless or pale colored electron donating leuco dye and an electron accepting color developing agent on a substrate, wherein the thermosensitive recording layer contains N-[2-(3-phenylureido)phenyl] benzenesulfonamide and an urea-based compound represented by the general formula 1 as the electron accepting color developing agents, wherein R1 represents a substituted or unsubstituted alkyl group, aralkyl group or aryl group, and R2 represents a hydrogen atom or an alkyl group.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: February 27, 2024
    Inventors: Kentaro Kawasaki, Yuka Murata, Kenji Hirai, Yoshimi Midorikawa
  • Patent number: 4224195
    Abstract: A process for handwashing socks or stockings which utilizes a detergent composition having, as effective components, an ethylene oxide adduct of a secondary alcohol, a sulfuric ester salt of an ethylene oxide adduct of a secondary alcohol, and an amphoteric surfactant is described.
    Type: Grant
    Filed: July 11, 1978
    Date of Patent: September 23, 1980
    Assignee: Kabushiki Kaisha Tsumura Jutendo
    Inventors: Yoshimi Kawasaki, Izumi Imaseki, Satoshi Hirano, Katsuhiko Amano, Masatsune Shigematsu
  • Patent number: 3935130
    Abstract: A detergent composition for bathtub cleaning which needs little rubbing of the tub, and which comprises:1. 100 parts by weight of a detergent base comprising surfactants:parts by weight ______________________________________ anionic 40 - 85 nonionic 10 - 40 amphoteric 5 - 20 ______________________________________2. 9 to 30 parts by weight of an alkylene glycol alkyl ether, and3. 2 to 15 parts by weight of an alkanolamine.
    Type: Grant
    Filed: July 12, 1973
    Date of Patent: January 27, 1976
    Assignee: Kabushiki Kaisha Tsumura Juntendo
    Inventors: Satoshi Hirano, Jusha Tsumura, Izumi Imaseki, Yoshimi Kawasaki