Granted Patent
Utility
US 4,766,058 · App. 06/886,552
Silver halide photographic material with a specified silver density and dry thickness
Inventors:
Takeshi Sampei, Toshifumi Iijima, Yoshitaka Yamada, Hiroshi Shimazaki, Kenji Kumashiro, Yoshiharu Mochizuki, Syoji Matsuzaka, Hiroshi Kashiwagi
Patented Case
View Patent ↗
Granted: Aug 23, 1988
Filed: Jul 16, 1986
Inventors
Takeshi Sampei
Toshifumi Iijima
Yoshitaka Yamada
Hiroshi Shimazaki
Kenji Kumashiro
Yoshiharu Mochizuki
Syoji Matsuzaka
Hiroshi Kashiwagi
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.