Granted Patent
Utility
US 6,340,839 · App. 09/401,128
Hybrid integrated circuit
Inventors:
Koki Hirasawa, Shingo Yanagihara
Patented Case
View Patent ↗
Granted: Jan 22, 2002
Filed: Sep 22, 1999
Inventors
Koki Hirasawa
Shingo Yanagihara
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.