Granted Patent
Utility
US 6,668,266 · App. 09/973,734
Data processing device having a central processing unit and digital signal processing unit
Inventors:
Atsushi Kiuchi, Yuji Hatano, Toru Baji, Koki Noguchi, Yasushi Akao, Shiro Baba
Patented Case
View Patent ↗
Granted: Dec 23, 2003
Filed: Oct 11, 2001
Inventors
Atsushi Kiuchi
Yuji Hatano
Toru Baji
Koki Noguchi
Yasushi Akao
Shiro Baba
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.