Patents by Inventor Yasuyuki Ohtomo

Yasuyuki Ohtomo 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: 5017256
    Abstract: A heat-sensitive melt-transfer recording medium comprising a support (1) and a heat-sensitive melt-transfer ink layer (2) provided on one side thereof is disclosed. The above-mentioned heat-sensitive melt-transfer ink layer (2) comprises a colored ink layer (3) and a layer (4) which is formed on the surface of the colored ink layer (3) and which comprises a wax in the form of microcrystals as a main component, for preventing a smudge of a receiving medium is transfer recording and for obtaining a good print with a small printing energy. This recording medium is used for a heat-sensitive melt-transfer recording system using a thermal head.
    Type: Grant
    Filed: December 23, 1988
    Date of Patent: May 21, 1991
    Assignee: Fuji Kagakushi Kogyo Co., Ltd.
    Inventors: Yasuyuki Ohtomo, Yoshiyuki Obata
  • Patent number: 4767663
    Abstract: A heat-meltable transfer recording medium comprising a foundation and a transferable ink layer provided on the surface of the foundation, said transferable ink layer comprising a colored layer containing a coloring agent and a heat-meltable adhesive layer provided on the surface of the colored layer, said heat-meltable adhesive layer comprising at least one of a resin and a wax, each of which is solid at ordinary temperatures and softened or melted upon heating with a heating head, and said colored layer having a viscosity of not less than 8.times.10.sup.2 poises at 110.degree. C. (measurement with a rotary viscometer) or being semi-solid or solid at 110.degree. C., in order to produce an image which is fast at a normal state but is readily removed by peeling off when being heated.
    Type: Grant
    Filed: October 14, 1986
    Date of Patent: August 30, 1988
    Assignee: Fuji Kagakushi Kogyo Co., Ltd.
    Inventors: Suekichi Shimizu, Masatsugu Inaba, Yasuyuki Ohtomo