Granted Patent
Utility
US 4,675,280 · App. 06/785,545
Silver halide color photographic material containing a 1H-pyrazolo [3,2-C]- S
Inventors:
Yutaka Kaneko, Kenji Kadokura, Toshihiko Kimura, Noritaka Nakayama, Satoshi Kawakatsu, Katsunori Katoh, Kaoru Shinozaki
Patented Case
View Patent ↗
Granted: Jun 23, 1987
Filed: Oct 8, 1985
Inventors
Yutaka Kaneko
Kenji Kadokura
Toshihiko Kimura
Noritaka Nakayama
Satoshi Kawakatsu
Katsunori Katoh
Kaoru Shinozaki
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.