Granted Patent
Utility
US 6,778,575 · App. 10/100,920
AlGaInP-based high-output red semiconductor laser device
Inventors:
Ryoji Hiroyama, Daijiro Inoue, Yasuhiko Nomura, Kunio Takeuchi
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Mar 20, 2002
Inventors
Ryoji Hiroyama
Daijiro Inoue
Yasuhiko Nomura
Kunio Takeuchi
Assignee (at issue)
SANYO ELECTRIC 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.