Granted Patent
Utility
US 5,376,581 · App. 08/118,792
Fabrication of semiconductor laser elements
Inventors:
Kenji Shimoyama, Yuichi Inoue, Hideki Gotoh
Patented Case
View Patent ↗
Granted: Dec 27, 1994
Filed: Sep 10, 1993
Inventors
Kenji Shimoyama
Yuichi Inoue
Hideki Gotoh
Assignee (at issue)
Mitsubishi Kasei 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.