Inventor · disambiguated record

Naohiro Koizumi

Also filed as: KOIZUMI NAOHIRO

1 granted patent·16 citations·filing 2001–2001

37Inventor score

Technology areasG06F

Files withHITACHI SYSTEMS & SERVICES LTD1

Top patents by PatentIndex Score

1 record

0163US7010519B2Method and system for expanding document retrieval informationHITACHI SYSTEMS & SERVICES LTD·Filed 2001·Granted Mar 7, 2006·16 cites·20 claims

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