Granted Patent
Utility
US 5,382,997 · App. 08/133,269
Exposure control apparatus of camera
Inventors:
Osamu Sato, Satoshi Nakano, Isamu Hirai, Toshiyuki Kitazawa, Takayuki Sensui, Masato Yamamoto, Toshimasa Yamanaka, Takenao Shishikura, Akio Takahashi, Nobuhiko Matsudo
Patented Case
View Patent ↗
Granted: Jan 17, 1995
Filed: Oct 7, 1993
Inventors
Osamu Sato
Satoshi Nakano
Isamu Hirai
Toshiyuki Kitazawa
Takayuki Sensui
Masato Yamamoto
Toshimasa Yamanaka
Takenao Shishikura
Akio Takahashi
Nobuhiko Matsudo
Assignee (at issue)
Asahi Kogaku Kogyo Kabushiki Kaisha
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.