Granted Patent
Utility
US 5,467,364 · App. 08/287,802
Semiconductor laser element and laser device using the same element
Inventors:
Kiyofumi Muro, Tsuyoshi Fujimoto, Yuji Yoshida, Yoshikazu Yamada, Shoji Ishizaka
Patented Case
View Patent ↗
Granted: Nov 14, 1995
Filed: Aug 9, 1994
Inventors
Kiyofumi Muro
Tsuyoshi Fujimoto
Yuji Yoshida
Yoshikazu Yamada
Shoji Ishizaka
Assignee (at issue)
Mitsui Petrochemical Industries, 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.