Patents by Inventor Kuniaki Tanisawa

Kuniaki Tanisawa 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).

  • Color diffusion transfer process employing phosphoramides
    Patent number: 4115117
    Abstract: An improved process for forming a dye image in an image receiving layer of a film unit containing a light-sensitive element and an image receiving element by incorporation therein of a compound represented by the formula ##STR1## WHEREIN R.sub.1 and R.sub.2 individually represent lower alkyl, and n is 3.
    Type: Grant
    Filed: November 5, 1976
    Date of Patent: September 19, 1978
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Jiro Takahashi, Akihiko Miyamoto, Tooru Aoki, Naoshi Kunieda, Kuniaki Tanisawa