Patents by Inventor Yoichi Fukuzawa

Yoichi Fukuzawa 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: 5217791
    Abstract: A printed film sheet in which an image printed on a transparent film sheet can be seen from both the printed side and the non-printed side of said film sheet. The transparent film sheet is provided with a coating composition containing one or more pigments and one or more adhesives so that said film sheet has a brightness of above 50%. The pigments include one or more pigments having a linseed oil absorption of 10 to 80 ml/100 g in an amount of 70 to 100% by weight of the total pigment content. The film sheet has an opacity of 20 to 60% and is printed so that the difference between the ink density of a printed image on the printed side of said film sheet and the ink density thereof on the non-printed side of said film sheet is below 35%.
    Type: Grant
    Filed: June 25, 1991
    Date of Patent: June 8, 1993
    Assignee: Kanzaki Paper Mfg. Co., Ltd.
    Inventors: Seigoro Fujita, Yoichi Fukuzawa
  • Patent number: 5185213
    Abstract: An ink jet recording sheet comprises on a film substrate a coating layer which contains a pigment component and a binder component. The pigment component comprises prismatic orthorhombic aragonite calcium carbonate having an oil absorption of 30 to 55 ml/100 g in an amount of 20 to 70 weight %. The binder component comprises an epoxy resin and a thermoplastic resin.
    Type: Grant
    Filed: June 20, 1991
    Date of Patent: February 9, 1993
    Assignee: Kanzaki Papper Manufacturing Co., Ltd.
    Inventors: Seigoro Fujita, Yoichi Fukuzawa