Granted Patent
Utility
US 4,520,095 · App. 06/538,798
Photographic light-sensitive element
Inventors:
Tatsuhiko Kobayashi, Satoru Ikeuchi, Kazumasa Watanabe, Shunji Suginaka
Patented Case
View Patent ↗
Granted: May 28, 1985
Filed: Oct 4, 1983
Inventors
Tatsuhiko Kobayashi
Satoru Ikeuchi
Kazumasa Watanabe
Shunji Suginaka
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.