Granted Patent
Utility
US 5,196,370 · App. 07/789,283
Method of manufacturing an arsenic-including compound semiconductor device
Inventors:
Katsushi Tara, Toshiharu Tambo, Kaname Motoyoshi, Hidetaka HASHIMOTO, Shotaro Umebachi, Susumu Koike
Patented Case
View Patent ↗
Granted: Mar 23, 1993
Filed: Nov 8, 1991
Inventors
Katsushi Tara
Toshiharu Tambo
Kaname Motoyoshi
Hidetaka HASHIMOTO
Shotaro Umebachi
Susumu Koike
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.