Granted Patent
Utility
US 4,837,787 · App. 07/054,418
Semiconductor laser device with light emission inhibiting means
Inventors:
Toshihiro Takesue, Takashi Murahashi, Toshihiko Nakazawa
Patented Case
View Patent ↗
Granted: Jun 6, 1989
Filed: May 26, 1987
Inventors
Toshihiro Takesue
Takashi Murahashi
Toshihiko Nakazawa
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.