Inventor · disambiguated record
Yoshimi Shigenaga
Also filed as: SHIGENAGA YOSHIMI
9 granted patents·506 citations·filing 1985–1987
92Inventor score
Files withCASIO COMPUTER CO LTD9
Top patents by PatentIndex Score
9 records- 0189US4749982AIntelligent cardCASIO COMPUTER CO LTD·Filed 1985·Granted Jun 7, 1988·98 cites·23 claims
- 0274US4794236AIC card systemCASIO COMPUTER CO LTD·Filed 1986·Granted Dec 27, 1988·38 cites·6 claims
- 0363US4803351AIC card system with control of data-writing processCASIO COMPUTER CO LTD·Filed 1987·Granted Feb 7, 1989·25 cites·7 claims
- 0463US4727244AIC card systemCASIO COMPUTER CO LTD·Filed 1986·Granted Feb 23, 1988·102 cites·13 claims
- 0561US4710613AIdentification systemCASIO COMPUTER CO LTD·Filed 1985·Granted Dec 1, 1987·93 cites·14 claims
- 0660US4852156APrivate telephone system using a personal code number to access the telephone nearest to the code number holderCASIO COMPUTER CO LTD·Filed 1987·Granted Jul 25, 1989·20 cites·7 claims
- 0751US4752677ACustomer service system for use in IC card systemCASIO COMPUTER CO LTD·Filed 1986·Granted Jun 21, 1988·58 cites·9 claims
- 0850US4809326AIC card systemCASIO COMPUTER CO LTD·Filed 1987·Granted Feb 28, 1989·53 cites·28 claims
- 0936US4810862ASystem for judging propriety of use of an integrated circuit card with a card terminalCASIO COMPUTER CO LTD·Filed 1986·Granted Mar 7, 1989·19 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →