Granted Patent
Utility
US 6,400,045 · App. 09/691,133
Cooling fan controller
Inventors:
Kiyomasa Hosokawa, Tomokazu Yamada
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Oct 19, 2000
Inventors
Kiyomasa Hosokawa
Tomokazu Yamada
Assignee (at issue)
Fujitsu Limited
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.