Granted Patent
Utility
US 4,614,977 · App. 06/451,604
Still picture signal conversion apparatus capable of trimming operation
Inventors:
Atsushi Kawahara, Tadashi Ota, Toshihisa Kuroiwa, Masaki Isogai, Norihiko Takatsu, Koichiro Kawamura
Patented Case
View Patent ↗
Granted: Sep 30, 1986
Filed: Dec 20, 1982
Inventors
Atsushi Kawahara
Tadashi Ota
Toshihisa Kuroiwa
Masaki Isogai
Norihiko Takatsu
Koichiro Kawamura
Assignee (at issue)
Nippon Kogaku K.K.
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.