Assignee
HITCHI LTD
JP9 patents
Top patents by PatentIndex Score
US5855553AJan 5, 1999
Remote surgery support system and method thereof
HITCHI LTD545 citations98
US5801472ASep 1, 1998
Micro-fabricated device with integrated electrostatic actuator
HITCHI LTD98 citations96
US5708827AJan 13, 1998
Spread sheet calculation method and apparatus by extracting an area to be updated by a calculation formula
HITCHI LTD68 citations96
US5929519AJul 27, 1999
Semiconductor module including switching device chips and diode chips
HITCHI LTD49 citations95
US6636813B1Oct 21, 2003
Service life management system for high-temperature part of gas turbine
HITCHI LTD54 citations93
USD405070SFeb 2, 1999
IC card reader and writer
HITCHI LTD30 citations92
US6496695B1Dec 17, 2002
Resource-saving event-driven monitoring system and method
HITCHI LTD108 citations88
US6823288B2Nov 23, 2004
Service system for air conditioner and server system for monitoring center
HITCHI LTD5 citations72
US6800888B2Oct 5, 2004
Semiconductor integrated circuitry and method for manufacturing the circuitry
HITCHI LTD3 citations62