Inventor · disambiguated record

Akihiro Hirai

Also filed as: HIRAI AKIHIRO

2 granted patents·156 citations·filing 1986–1991

66Inventor score

Technology areasG06F

Files withHITACHI LTD2

Top patents by PatentIndex Score

2 records

0186US5321608AMethod and system for processing natural languageHITACHI LTD·Filed 1991·Granted Jun 14, 1994·149 cites·30 claims
0232US5224209ASystem for choosing between operation modes in a data processing system by interacting with a displayed a multinodal hierarchal figureHITACHI LTD·Filed 1986·Granted Jun 29, 1993·7 cites·6 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →