Granted Patent
Utility
US 6,590,918 · App. 09/713,175
Semiconductor laser device and method for producing the same
Inventors:
Masaya Mannou, Toshiya Fukuhisa
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: Nov 15, 2000
Inventors
Masaya Mannou
Toshiya Fukuhisa
Assignee (at issue)
Matsushita Electronics Corporation
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.