Assignee
HITACHI LTD AND HITACHI CAR EN
US·3 granted patents·1 pending application·191 citations·filing 1997–2002
Top patents by PatentIndex Score
4 records- 0195US6167761B1Capacitance type pressure sensor with capacitive elements actuated by a diaphragmHITACHI LTD AND HITACHI CAR EN·Filed 1998·Granted Jan 2, 2001·130 cites·10 claims
- 0269US5727522AMethod and system for controlling ignition timing for internal combustion engineHITACHI LTD AND HITACHI CAR EN·Filed 1997·Granted Mar 17, 1998·48 cites·36 claims
- 0348US5824895AAir flow meter of a heating resistor typeHITACHI LTD AND HITACHI CAR EN·Filed 1997·Granted Oct 20, 1998·13 cites·5 claims
- 0439US2003183000A1Gas flowmeter and manufacturing method thereofHITACHI LTD AND HITACHI CAR EN·Filed 2002·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →