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
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →