Granted Patent
Utility
US 6,728,178 · App. 09/983,402
Semiconductor laser control method and semiconductor laser control device
Inventors:
Kenji Koishi, Yoshiyuki Miyabata, Makoto Usui, Kohjyu Konno, Yasuhiro Ueki, Tomonori Ueno, Yutaka Osada, Toru Fujimoto
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Oct 24, 2001
Inventors
Kenji Koishi
Yoshiyuki Miyabata
Makoto Usui
Kohjyu Konno
Yasuhiro Ueki
Tomonori Ueno
Yutaka Osada
Toru Fujimoto
Assignees (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
Victor Company of Japan, 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.