Granted Patent
Utility
US 4,490,460 · App. 06/471,788
Silver halide color photographic materials
Inventors:
Satoru Shimba, Yoshikazu Watanabe, Kazuo Kato, Kiyotoshi Yamashita
Patented Case
View Patent ↗
Granted: Dec 25, 1984
Filed: Mar 3, 1983
Inventors
Satoru Shimba
Yoshikazu Watanabe
Kazuo Kato
Kiyotoshi Yamashita
Assignee (at issue)
Konishiroku Photo Industry Co., Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.