Assignee
HITACHI INC
JP·7 granted patents·6 pending applications·381 citations·filing 1990–2003
Top patents by PatentIndex Score
13 records- 0197US6639925B2Optical information processing equipment and semiconductor light emitting device suitable thereforHITACHI INC·Filed 2001·Granted Oct 28, 2003·285 cites·9 claims
- 0270US5602781AMemory device having a plurality of sets of data buffersHITACHI INC·Filed 1995·Granted Feb 11, 1997·31 cites·14 claims
- 0362US6115279ASystem with meshed power and signal buses on cell arrayHITACHI INC·Filed 1996·Granted Sep 5, 2000·15 cites·27 claims
- 0462US5090220AAutomatic washing machine having tub posture tilting mechanismHITACHI INC·Filed 1990·Granted Feb 25, 1992·28 cites·28 claims
- 0557US2003115114A1Method and system for transaction of goodsHITACHI INC·Filed 2002·Application pending·0 cites
- 0657US2003101096A1Electronic account settlement system and methodHITACHI INC·Filed 2002·Application pending·0 cites
- 0745US6664494B2Current collector and gas circuit breakerHITACHI INC·Filed 2002·Granted Dec 16, 2003·4 cites·9 claims
- 0844US2003233440A1Network system including host server and method of setting up host serverHITACHI INC·Filed 2003·Application pending·0 cites
- 0944US2003163701A1Method and apparatus for public key cryptosystemHITACHI INC·Filed 2003·Application pending·0 cites
- 1042US2003204376A1Interactive electronic deviceHITACHI INC·Filed 2003·Application pending·0 cites
- 1141US2003093429A1Data warehouse systemHITACHI INC·Filed 2002·Application pending·0 cites
- 1236US5764519AMethod and device for computing material requirementsHITACHI INC·Filed 1996·Granted Jun 9, 1998·18 cites·24 claims
- 1332US6512257B2System with meshed power and signal buses on cell arrayHITACHI INC·Filed 2002·Granted Jan 28, 2003·0 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →