Patents by Inventor Nobuhiko Minagawa

Nobuhiko Minagawa 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).

  • Heat transfer dye-receiving sheet
    Patent number: 4886775
    Abstract: A heat transfer dye-receiving sheet used in combination with a heat transfer sheet having a dye carrying layer containing a dye, said heat transfer dye-receiving sheet comprising a dye-receiving layer receiving the dye transferred from the heat transfer sheet, wherein the dye-receiving layer contains a polyester resin comprising bisphenol A, carbonic acid and phthalic acid.
    Type: Grant
    Filed: December 22, 1988
    Date of Patent: December 12, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Seiiti Kubodera, Nobuhiko Minagawa
  • Recording sheet for ink jet recording
    Patent number: 4269891
    Abstract: A recording sheet comprising a support and an ink absorbing layer provided thereon, said recording sheet having a degree of opacity ranging from 55.0% to 97.5% and said ink absorbing layer having an ink absorbing power of about 1.5 mm per minute to 18.0 mm per minute, which is useful in an ink jet recording process and images and characters recorded thereon can be clearly seen by both reflected and transmitted light.
    Type: Grant
    Filed: June 28, 1979
    Date of Patent: May 26, 1981
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Nobuhiko Minagawa
  • Surface treatment of a support member for photographic light-sensitive materials
    Patent number: 4186018
    Abstract: A method for surface treating a support for a photographic light-sensitive material, said support having a polyolefinic surface, which comprises flame treating said surface using a flame supported by a combustion gas consisting of a paraffinic or an olefinic hydrocarbon gas and oxygen gas, said combustion gas having the composition within the area ABCDE of FIG. 2, is disclosed.
    Type: Grant
    Filed: October 29, 1975
    Date of Patent: January 29, 1980
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Nobuhiko Minagawa, Hiroyuki Kurabayashi
  • Method of manufacturing synthetic resin coated papers
    Patent number: 4110155
    Abstract: In manufacturing a laminate of a paper substrate having synthetic resin films coated on the both surfaces, the formation of wavy deformations at the edges of the laminate is prevented by incorporating in the base paper sheet a deliquescent salt in an amount of from about 0.5 to 5% by weight based on the weight of the paper substrate.
    Type: Grant
    Filed: December 16, 1974
    Date of Patent: August 29, 1978
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Nobuhiko Minagawa, Tomoaki Ozaki
  • Article having a whitened polyolefin surface
    Patent number: 3936304
    Abstract: When titanium phosphate is used as a white pigment to an article of which surface comprises polyolefin composition, the article is remarkably whitened.
    Type: Grant
    Filed: October 12, 1973
    Date of Patent: February 3, 1976
    Inventors: Tsuneo Kasugai, Nobuhiko Minagawa, Yasushi Hamada, Yujiro Sugahara, Hiroyuki Naito