Inventor · disambiguated record
Toshihiko Sumitani
Also filed as: SUMITANI TOSHIHIKO
4 granted patents·39 citations·filing 1982–1985
72Inventor score
Files withSHARP KK4
Top patents by PatentIndex Score
4 records- 0149US4695983ACalculator or pocket computer with selectable operational sequenceSHARP KK·Filed 1984·Granted Sep 22, 1987·17 cites·2 claims
- 0247US4811257AElectronic calculator having means for directly inputting variables into a prestored and displayed equationSHARP KK·Filed 1985·Granted Mar 7, 1989·20 cites·4 claims
- 0327US4654822AMemo-print electronic apparatusSHARP KK·Filed 1983·Granted Mar 31, 1987·2 cites·3 claims
- 0423US4511138AGame calculating apparatusSHARP KK·Filed 1982·Granted Apr 16, 1985·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →