Granted Patent
Utility
US 6,340,873 · App. 09/893,549
Semiconductor integrated circuit for brushless motor drive control and brushless motor drive control apparatus
Inventors:
Kunio Seki, Toshiyuki Tsunoda, Yasuhiko Kokami, Kunihiro Kawauchi
Patented Case
View Patent ↗
Granted: Jan 22, 2002
Filed: Jun 29, 2001
Inventors
Kunio Seki
Toshiyuki Tsunoda
Yasuhiko Kokami
Kunihiro Kawauchi
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.