Patents by Inventor Junji Minanizono

Junji Minanizono 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).

  • Photographic materials
    Patent number: 4347308
    Abstract: A photographic material is described containing in at least one photographic layer a compound of formula (I) ##STR1## wherein at least one of R.sub.1 and R.sub.2 is a fluorine-substituted alkyl group, and R.sub.1 or R.sub.2 can be a substituted or unsubstituted alkyl or aryl group, and M is a cation.
    Type: Grant
    Filed: February 17, 1981
    Date of Patent: August 31, 1982
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Tetsuo Takeuchi, Yasuo Mukunoki, Junji Minanizono