Inventor · disambiguated record
Katsuhiko Hirano
Also filed as: HIRANO KATSUHIKO
15 granted patents·1 pending application·252 citations·filing 1982–2014
94Inventor score
Files withHITACHI LTD8NIPPON MUSICAL INSTRUMENTS MFG2YAMAHA CORP2DENSO CORP1HITACHI GE NUCLEAR ENERGY LTD1
Top patents by PatentIndex Score
16 records- 0194US6341151B1Preventive maintenance method and apparatus of a structural member in a reactor pressure vesselHITACHI LTD·Filed 2000·Granted Jan 22, 2002·29 cites·11 claims
- 0286US6519991B2Water jet peening apparatusHITACHI LTD·Filed 2002·Granted Feb 18, 2003·16 cites·21 claims
- 0386US6425276B1Water jet peening apparatusHITACHI LTD·Filed 2000·Granted Jul 30, 2002·28 cites·21 claims
- 0482US5897062AFluid jet nozzle and stress improving treatment method using the nozzleHITACHI LTD·Filed 1996·Granted Apr 27, 1999·58 cites·11 claims
- 0575US6612910B1Liquid crystal glass substrate, method of cutting the liquid crystal glass substrate, cutter for the liquid crystal glass substrate and display using the liquid crystal glass substrateHITACHI LTD·Filed 1998·Granted Sep 2, 2003·25 cites·10 claims
- 0674US4711148AFractional range selectable musical tone generating apparatusNIPPON MUSICAL INSTRUMENTS MFG·Filed 1985·Granted Dec 8, 1987·27 cites·9 claims
- 0772US6639962B2Preventive maintenance method and apparatus of a structural member in a reactor pressure vesselHITACHI LTD·Filed 2002·Granted Oct 28, 2003·8 cites·5 claims
- 0871US4483231APreset apparatus of electronic musical instrumentNIPPON MUSICAL INSTRUMENTS MFG·Filed 1982·Granted Nov 20, 1984·13 cites·8 claims
- 0963US9334031B2System for attitude control of underwater vehicle and method for attitude control of underwater vehicleHITACHI GE NUCLEAR ENERGY LTD·Filed 2014·Granted May 10, 2016·1 cites·11 claims
- 1063US4957032AApparatus for realizing variable key scaling in electronic musical instrumentYAMAHA CORP·Filed 1987·Granted Sep 18, 1990·16 cites·10 claims
- 1158US6636579B2Device and method for repairing inside of reactor pressure vesselHITACHI LTD·Filed 2001·Granted Oct 21, 2003·4 cites·7 claims
- 1254US6345083B1Preventive maintenance method and apparatus of a structural member in a reactor pressure vesselHITACHI LTD·Filed 1999·Granted Feb 5, 2002·7 cites·10 claims
- 1354US4947724AElectric music instrument with the capability of memorizing and producing different musical scalesYAMAHA CORP·Filed 1989·Granted Aug 14, 1990·12 cites·7 claims
- 1450US6742501B2Method of estimating inertia moment of engine, method of estimating engine load, and method of and apparatus for controlling engineDENSO CORP·Filed 2002·Granted Jun 1, 2004·4 cites·23 claims
- 1536US2003128794A1Device and method for repairing inside of reactor pressure vesselHITACHI LTD BABCOCK HITACHI K·Filed 2002·Application pending·0 cites
- 1632US5722372AFuel supply system with carburetor air bleed controlNIPPON DENSO CO·Filed 1996·Granted Mar 3, 1998·4 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →