Granted Patent
Utility
US 4,976,930 · App. 07/393,070
Method and apparatus for inducing photochemical reaction
Inventors:
Shunji Kishida, Hiroyuki Yokoyama, Yukio Morishige, Kunihiko Washio
Patented Case
View Patent ↗
Granted: Dec 11, 1990
Filed: Aug 3, 1989
Inventors
Shunji Kishida
Hiroyuki Yokoyama
Yukio Morishige
Kunihiko Washio
Assignee (at issue)
NEC 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.