Patents by Inventor Kotaro Akashiro

Kotaro Akashiro 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: 5888644
    Abstract: A thermal transfer recording material is provided which comprises a foundation and, provided thereon, a heat-meltable ink layer comprising a coloring agent, a heat-meltable binder material and a particulate wax, the heat-meltable binder material comprising 30 to 90% by weight of an epoxy resin and 10 to 70% by weight of a copolymer resin comprising vinyl chloride and vinyl acetate, the particulate wax having an average particle diameter of 0.05 to 15 .mu.m.
    Type: Grant
    Filed: July 15, 1996
    Date of Patent: March 30, 1999
    Assignee: Fujicopian Co., Ltd.
    Inventors: Katsuhiro Yoshida, Kotaro Akashiro
  • Patent number: 5882797
    Abstract: A thermal transfer recording material comprising a foundation and a heat-meltable ink layer comprising a vehicle and a pigment provided on the foundation, the vehicle comprising not less than 85% by weight of an epoxy resin, the epoxy resin comprising not less than 50% by weight of at least one of tetraphenolethane tetraglycidyl ether and a bromide thereof, cresol novolac polyglycidyl ether and a bromide thereof, and bisphenol F diglycidyl ether and a bromide thereof. The recording material has excellent transferability and gives printed images excellent heat resistance, solvent resistance and scratch resistance.
    Type: Grant
    Filed: July 19, 1996
    Date of Patent: March 16, 1999
    Assignee: Fujicopian Co., Ltd.
    Inventors: Katsuhiro Yoshida, Kotaro Akashiro
  • Patent number: 5773149
    Abstract: A thermal transfer recording material comprising a foundation and a heat-meltable ink layer comprising a vehicle and a pigment provided on the foundation, the vehicle comprising not less than 85% by weight of an epoxy resin, the epoxy resin comprising not less than 50% by weight of at least one of tetraphenolethane tetraglycidyl ether and a bromide thereof, cresol novolac polyglycidyl ether and a bromide thereof, and bisphenol F diglycidyl ether and a bromide thereof. The recording material has excellent transferability and gives printed images excellent heat resistance, solvent resistance and scratch resistance.
    Type: Grant
    Filed: July 19, 1996
    Date of Patent: June 30, 1998
    Assignee: Fujicopian Co., Ltd.
    Inventors: Katsuhiro Yoshida, Kotaro Akashiro
  • Patent number: 5714249
    Abstract: A thermal transfer recording material is provided comprising a foundation and, provided thereon, a heat-meltable ink layer comprising an epoxy resin, a particulate wax having an average particle diameter of 0.05 to 15 .mu.m and a pigment, the epoxy resin comprising not less than 50% by weight of at least one resin selected from the group consisting of tetraphenolethane tetraglycidyl ether, cresol novolac polyglycidyl ether, bisphenol A diglycidyl ether and bisphenol F diglycidyl ether.
    Type: Grant
    Filed: June 13, 1996
    Date of Patent: February 3, 1998
    Assignee: Fujicopian Co., Ltd.
    Inventors: Katsuhiro Yoshida, Kotaro Akashiro
  • Patent number: 5658667
    Abstract: A thermal transfer recording material comprising a foundation and a heat-meltable ink layer comprising a vehicle and a pigment provided on the foundation, the vehicle comprising not less than 85% by weight of an epoxy resin, the epoxy resin comprising not less than 50% by weight of at least one of tetraphenolethane tetraglycidyl ether and a bromide thereof, cresol novolac polyglycidyl ether and a bromide thereof, and bisphenol F diglycidyl ether and a bromide thereof. The recording material has excellent transferability and gives printed images excellent heat resistance, solvent resistance and scratch resistance.
    Type: Grant
    Filed: July 21, 1995
    Date of Patent: August 19, 1997
    Assignee: Fujicopian Co., Ltd.
    Inventors: Katsuhiro Yoshida, Kotaro Akashiro
  • Patent number: 5499877
    Abstract: A transfer ribbon cassette a feed core for winding a transfer ribbon having a transfer film applied to one surface thereof, a takeup core for taking up the transfer ribbon fed from the feed core, a case for containing the feed core and takeup core, and a holder for supporting the feed core and takeup core in a relative positional relationship for mounting in the case. Each core is rotatably supported at one end thereof and, when mounted in the case, has a free axial end thereof supported by the case. This cassette may be used as a paint film transfer device.
    Type: Grant
    Filed: April 4, 1994
    Date of Patent: March 19, 1996
    Assignee: Fujicopian Co., Ltd.
    Inventors: Yutaka Sakanishi, Kotaro Akashiro