Granted Patent
Utility
US 6,341,902 · App. 09/204,498
Photographic lens recognition system for a camera body
Inventors:
Osamu Sato, Satoru Horita, Hisashi Tatamiya, Tomoaki Kobayashi, Hiroaki Suzuki, Makoto Iikawa
Patented Case
View Patent ↗
Granted: Jan 29, 2002
Filed: Dec 4, 1998
Inventors
Osamu Sato
Satoru Horita
Hisashi Tatamiya
Tomoaki Kobayashi
Hiroaki Suzuki
Makoto Iikawa
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.