Inventor · disambiguated record
Hisao Fukui
Also filed as: FUKUI HISAO
6 granted patents·129 citations·filing 1980–2004
85Inventor score
Top patents by PatentIndex Score
6 records- 0181US4749291AInking system for wire dot matrix printerPENTEL KK·Filed 1986·Granted Jun 7, 1988·36 cites·31 claims
- 0277US7331730B2Retractable writing materialPENTEL KK·Filed 2003·Granted Feb 19, 2008·22 cites·20 claims
- 0375US4821805AAutomatic fire extinguishing systemHOCHIKI CO·Filed 1983·Granted Apr 18, 1989·44 cites·6 claims
- 0459US4359655ATimer circuitSONY CORP·Filed 1980·Granted Nov 16, 1982·15 cites·13 claims
- 0556US7540679B2Variable grip structurePENTEL KK·Filed 2003·Granted Jun 2, 2009·5 cites·21 claims
- 0648USD529550SWriting instrumentPENTEL OF AMERICA LTD·Filed 2004·Granted Oct 3, 2006·7 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →