Granted Patent
Utility
US 6,646,331 · App. 09/809,857
Semiconductor device and semiconductor module
Inventors:
Noriaki Sakamoto, Yoshiyuki Kobayashi, Junji Sakamoto, Yukio Okada, Yusuke Igarashi, Eiju Maehara, Kouji Takahashi
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Mar 16, 2001
Inventors
Noriaki Sakamoto
Yoshiyuki Kobayashi
Junji Sakamoto
Yukio Okada
Yusuke Igarashi
Eiju Maehara
Kouji Takahashi
Assignee (at issue)
SANYO ELECTRIC CO., 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.