Granted Patent
Utility
US 6,359,639 · App. 09/428,901
Thermal head driving integrated circuit
Inventors:
Tatsuya Kitta, Yoshihide Kanakubo, Yasuhiro Moya, Kazutoshi Ishii, Sumitaka Gotou
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: Oct 28, 1999
Inventors
Tatsuya Kitta
Yoshihide Kanakubo
Yasuhiro Moya
Kazutoshi Ishii
Sumitaka Gotou
Assignee (at issue)
SEIKO INSTRUMENTS INC.
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.