Inventor · disambiguated record
Reiji Hirano
Also filed as: HIRANO REIJI
14 granted patents·263 citations·filing 1975–1991
93Inventor score
Files withCANON KK14
Top patents by PatentIndex Score
14 records- 0172US4225932AInstructional calculatorCANON KK·Filed 1978·Granted Sep 30, 1980·21 cites·22 claims
- 0271US4372655AAutomatic eye-refractometerCANON KK·Filed 1979·Granted Feb 8, 1983·56 cites·7 claims
- 0361US5150173AMethod and apparatus for alignment and exposureCANON KK·Filed 1991·Granted Sep 22, 1992·19 cites·10 claims
- 0461US4421391AAuto eye-refractometerCANON KK·Filed 1980·Granted Dec 20, 1983·49 cites·9 claims
- 0561US4376573AApparatus for measuring the refractive power of the eyeCANON KK·Filed 1980·Granted Mar 15, 1983·49 cites·22 claims
- 0658US4217656AElectronic calculatorCANON KK·Filed 1978·Granted Aug 12, 1980·12 cites·12 claims
- 0757US4156281AElectronic instrumentCANON KK·Filed 1977·Granted May 22, 1979·7 cites·10 claims
- 0857US4156239ADisplay deviceCANON KK·Filed 1977·Granted May 22, 1979·8 cites·23 claims
- 0951US4004672APrinting control deviceCANON KK·Filed 1975·Granted Jan 25, 1977·12 cites·7 claims
- 1050US4138734AElectronic equipment capable of arithmetic operationsCANON KK·Filed 1977·Granted Feb 6, 1979·13 cites·14 claims
- 1134US4458325ACalculator capable of calculating with additional externally instructed unitsCANON KK·Filed 1981·Granted Jul 3, 1984·6 cites·4 claims
- 1234US4352161AElectronic calculator capable of dealing with variablesCANON KK·Filed 1981·Granted Sep 28, 1982·6 cites·5 claims
- 1332US4134536AElectronic data processing equipmentCANON KK·Filed 1977·Granted Jan 16, 1979·3 cites·18 claims
- 1430US4135250ASystem for clearing input data in electronic computerCANON KK·Filed 1977·Granted Jan 16, 1979·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →