Granted Patent
Utility
US 6,331,730 · App. 09/296,466
Push-in type semiconductor device including heat spreader
Inventors:
Takeshi Terasaki, Hideo Miura, Chikara Nakajima, Makoto Kitano
Patented Case
View Patent ↗
Granted: Dec 18, 2001
Filed: Apr 22, 1999
Inventors
Takeshi Terasaki
Hideo Miura
Chikara Nakajima
Makoto Kitano
Assignee (at issue)
HITACHI, 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.