IP Library › Granted Patent US 6,619,111
Granted Patent Utility
US 6,619,111 · App. 09/942,966

Method and device for monitoring performance of internal pump

Inventors: Hideo Soneda, Kenichi Yasuda, Kumiaki Moriya
Patented Case View Patent ↗
Granted: Sep 16, 2003 Filed: Aug 31, 2001
Inventors
Hideo Soneda
Kenichi Yasuda
Kumiaki Moriya
Assignee (at issue)
HITACHI, LTD.

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Quick Facts
Patent No.
US 6,619,111
App. No.
09/942,966
Filed
2001-08-31
Granted
2003-09-16
Kind
B2