Inventor · disambiguated record
Katsuhisa Hirokawa
Also filed as: HIROKAWA KATSUHISA
6 granted patents·305 citations·filing 1984–1997
87Inventor score
Files withTOSHIBA KK6
Top patents by PatentIndex Score
6 records- 0191US4672182AMemory cardTOSHIBA KK·Filed 1984·Granted Jun 9, 1987·107 cites·10 claims
- 0270US4855578APortable storage medium processing systemTOSHIBA KK·Filed 1987·Granted Aug 8, 1989·58 cites·21 claims
- 0351US4827512AProgrammable portable electronic deviceTOSHIBA KK·Filed 1986·Granted May 2, 1989·56 cites·8 claims
- 0451US4766294APortable mediumTOSHIBA KK·Filed 1987·Granted Aug 23, 1988·54 cites·20 claims
- 0537US6012637ACard system for collectively loading right of use in predetermined amount of money and method of processing the cardTOSHIBA KK·Filed 1997·Granted Jan 11, 2000·16 cites·18 claims
- 0631US6028940AVirtual shop computer network system which displays member shops and member shop certification methodTOSHIBA KK·Filed 1997·Granted Feb 22, 2000·14 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →