Inventor · disambiguated record
Osamu Hirata
Also filed as: HARADA YUJI · HIRATA OSAMU
27 granted patents·5 pending applications·604 citations·filing 1974–2022
97Inventor score
Files withCANON KK14TOSHIBA KK5JAPAN AVIATION ELECTRONICS IND LTD3FUJISAWA KENKI CO LTD2NISSAN CHEMICAL CORP2
Top patents by PatentIndex Score
32 records- 0199US4157932AConnecting methodCANON KK·Filed 1977·Granted Jun 12, 1979·147 cites·5 claims
- 0294US4180711ADesk-top calculator keyboard switchCANON KK·Filed 1977·Granted Dec 25, 1979·42 cites·6 claims
- 0392US4263659AElectronic instrument with a flexible keyboardCANON KK·Filed 1979·Granted Apr 21, 1981·41 cites·4 claims
- 0485US9278989B2Sugar-derived gelatorUNIV KYUSHU·Filed 2013·Granted Mar 8, 2016·3 cites·20 claims
- 0580US4063054AKey switchCANON KK·Filed 1975·Granted Dec 13, 1977·18 cites·4 claims
- 0679US9921682B2Touch panel having high resistance to static electricityJAPAN AVIATION ELECTRONICS IND LTD·Filed 2016·Granted Mar 20, 2018·3 cites·16 claims
- 0775US10998609B2Loop antennaJAPAN AVIATION ELECTRONICS IND LTD·Filed 2018·Granted May 4, 2021·2 cites·7 claims
- 0874US10544181B2Sugar derivative gelatorsUNIV KYUSHU·Filed 2016·Granted Jan 28, 2020·1 cites·15 claims
- 0974US4003092AReading or writing head positioning deviceCANON KK·Filed 1974·Granted Jan 11, 1977·13 cites·9 claims
- 1073US5016663AMethod of determining end of cleaning of semiconductor manufacturing apparatusTOSHIBA KK·Filed 1988·Granted May 21, 1991·39 cites·2 claims
- 1172US5169407AMethod of determining end of cleaning of semiconductor manufacturing apparatusTOSHIBA KK·Filed 1990·Granted Dec 8, 1992·50 cites·2 claims
- 1272US5100476AMethod and apparatus for cleaning semiconductor devicesTOSHIBA KK·Filed 1990·Granted Mar 31, 1992·49 cites·20 claims
- 1369US7211760B2Membrane switchJAPAN AVIATION ELECTRON·Filed 2005·Granted May 1, 2007·6 cites·18 claims
- 1469US6339480B1Print driver for a color printerCANON KK·Filed 1997·Granted Jan 15, 2002·35 cites·143 claims
- 1565US8773745B2Electrochromic materialNAGAMURA TOSHIHIKO·Filed 2009·Granted Jul 8, 2014·2 cites·4 claims
- 1663US4985374AMaking a semiconductor device with ammonia treatment of photoresistTOSHIBA KK·Filed 1990·Granted Jan 15, 1991·36 cites·16 claims
- 1762US4698783AElectronic equipment calendar and random daily message generatorCANON KK·Filed 1986·Granted Oct 6, 1987·20 cites·10 claims
- 1858US5436962ACall transfer arrangement using network servicesCANON KK·Filed 1993·Granted Jul 25, 1995·24 cites·35 claims
- 1953US5001744ACommunication system having a first and second communication proceduresCANON KK·Filed 1988·Granted Mar 19, 1991·14 cites·8 claims
- 2050US11974529B2Cultivation equipmentFUJISAWA KENKI CO LTD·Filed 2021·Granted May 7, 2024·0 cites·12 claims
- 2150US2024317928A1Composition for forming optical waveguideNISSAN CHEMICAL CORP·Filed 2022·Application pending·0 cites
- 2249US11185025B2Cultivation method, cultivation equipment, and cultivation apparatusFUJISAWA KENKI CO LTD·Filed 2019·Granted Nov 30, 2021·0 cites·12 claims
- 2348US5289582ACommunication control unitCANON KK·Filed 1992·Granted Feb 22, 1994·17 cites·16 claims
- 2446US4535416AElectronic compact function calculatorCANON KK·Filed 1984·Granted Aug 13, 1985·15 cites·2 claims
- 2545US2018280296A1Method for preparing high-water-content emulsion gel using oil gelling agentNISSAN CHEMICAL IND LTD·Filed 2016·Application pending·0 cites
- 2644US2019030166A1Percutaneously absorbable composition controlled in release of water-soluble effective ingredientNISSAN CHEMICAL CORP·Filed 2017·Application pending·0 cites
- 2741US5838785AVoice level controllerCANON KK·Filed 1995·Granted Nov 17, 1998·7 cites·26 claims
- 2841US4688189AElectronic equipment for storing number of searches of informationCANON KK·Filed 1986·Granted Aug 18, 1987·10 cites·3 claims
- 2941US2021358654A1SubstrateJAPAN AVIATION ELECTRONICS IND LTD·Filed 2018·Application pending·0 cites
- 3039US5414763AApparatus and method for providing echo suppression to a plurality of telephonesCANON KK·Filed 1992·Granted May 9, 1995·8 cites·13 claims
- 3138US2018185414A1Calcium salt composition and filaggrin production promoter using the sameNISSAN CHEMICAL IND LTD·Filed 2016·Application pending·0 cites
- 3232US5425844AMethod of making layer containing magnetic materialTOSHIBA KK·Filed 1994·Granted Jun 20, 1995·2 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →