Inventor · disambiguated record
Masahisa Inagaki
Also filed as: INAGAKI MASAHISA
32 granted patents·6 pending applications·786 citations·filing 1979–2011
98Inventor score
Top patents by PatentIndex Score
38 records- 0193US6843405B2Method of joining metallic materialsHITACHI LTD·Filed 2003·Granted Jan 18, 2005·51 cites·21 claims
- 0290US5225154AFuel assembly for nuclear reactor, method for producing the same and structural members for the sameHITACHI LTD·Filed 1989·Granted Jul 6, 1993·32 cites·66 claims
- 0390US4315130AMethod of treating object by laser beam and apparatus thereforHITACHI LTD·Filed 1979·Granted Feb 9, 1982·83 cites·9 claims
- 0489US6729526B2Friction stir welding apparatus and method and processing apparatus and methodHITACHI LTD·Filed 2002·Granted May 4, 2004·40 cites·3 claims
- 0588US6814544B2Method for manufacturing turbine blade and manufactured turbine bladeHITACHI LTD·Filed 2002·Granted Nov 9, 2004·36 cites·5 claims
- 0687US6146094AMotor-driven blower and method of manufacturing impeller for motor-driven blowerHITACHI LTD·Filed 1998·Granted Nov 14, 2000·83 cites·7 claims
- 0785US7661575B2Friction stirring-welding methodHITACHI LTD·Filed 2009·Granted Feb 16, 2010·7 cites·28 claims
- 0885US4810461AZirconium-based alloy with high corrosion resistanceHITACHI LTD·Filed 1986·Granted Mar 7, 1989·35 cites·8 claims
- 0980US5596615AFuel assembly for nuclear reactor and manufacturing method thereofHITACHI LTD·Filed 1995·Granted Jan 21, 1997·36 cites·32 claims
- 1075US7635075B2Method of friction stir-spot welding and welding apparatusHITACHI LTD·Filed 2005·Granted Dec 22, 2009·4 cites·2 claims
- 1175US6874672B2Apparatus and method for frictional stirring weldHITACHI LTD·Filed 2003·Granted Apr 5, 2005·19 cites·15 claims
- 1275US4842814ANuclear reactor fuel assemblyHITACHI LTD·Filed 1987·Granted Jun 27, 1989·18 cites·27 claims
- 1375US4689091AProcess for producing zirconium-based alloyHITACHI LTD·Filed 1985·Granted Aug 25, 1987·21 cites·19 claims
- 1473US5203984AMonitoring system for plant operation condition and its in-situ electrochemical electrodeHITACHI LTD·Filed 1990·Granted Apr 20, 1993·40 cites·16 claims
- 1572US6909185B1Composite material including copper and cuprous oxide and application thereofHITACHI LTD·Filed 1998·Granted Jun 21, 2005·22 cites·7 claims
- 1671US4678521AProcess for producing zirconium-based alloy and the product thereofHITACHI LTD·Filed 1986·Granted Jul 7, 1987·29 cites·31 claims
- 1769US5297177AFuel assembly, components thereof and method of manufactureHITACHI LTD·Filed 1992·Granted Mar 22, 1994·31 cites·41 claims
- 1868US6833617B2Composite material including copper and cuprous oxide and application thereofHITACHI LTD·Filed 2003·Granted Dec 21, 2004·15 cites·12 claims
- 1968US5770333ANonaqueous secondary battery and negative electrode material thereforHITACHI LTD·Filed 1996·Granted Jun 23, 1998·38 cites·24 claims
- 2067US5223211AZirconium based alloy plate of low irradiation growth, method of manufacturing the same, and use of the sameHITACHI LTD·Filed 1991·Granted Jun 29, 1993·29 cites·30 claims
- 2167US4664727AZirconium alloy having superior corrosion resistanceHITACHI LTD·Filed 1983·Granted May 12, 1987·15 cites·15 claims
- 2264US8989339B2Zirconium alloy materialISHIBASHI RYO·Filed 2011·Granted Mar 24, 2015·1 cites·17 claims
- 2363US5617456AFuel assembly and nuclear reactorHITACHI LTD·Filed 1995·Granted Apr 1, 1997·13 cites·1 claims
- 2460US5490192AFuel assemblyHITACHI LTD·Filed 1994·Granted Feb 6, 1996·12 cites·19 claims
- 2557US4691856ADiffusion bonding method using a high energy beamHITACHI LTD·Filed 1985·Granted Sep 8, 1987·16 cites·7 claims
- 2652US5872826AFuel assembly channel box having burnable poisonHITACHI LTD·Filed 1997·Granted Feb 16, 1999·18 cites·26 claims
- 2752US5640435AFuel assembly and nuclear reactorHITACHI LTD·Filed 1994·Granted Jun 17, 1997·9 cites·14 claims
- 2850US4627148AMethod of producing high-purity metal memberHITACHI LTD·Filed 1984·Granted Dec 9, 1986·11 cites·10 claims
- 2946US5304261AMethod of fabricating a channel box or other part for a nuclear reactorHITACHI LTD·Filed 1992·Granted Apr 19, 1994·8 cites·36 claims
- 3045US2005129564A1Magnesium alloyFiled 2004·Application pending·0 cites
- 3142US2004155094A1Joint of metallic materials connected at a joining zoneFiled 2004·Application pending·0 cites
- 3240US2004173663A1Friction stir welding apparatus and method and processing apparatus and methodFiled 2004·Application pending·0 cites
- 3340US2006138197A1Friction stirring-welding methodAOTA KINYA·Filed 2004·Application pending·0 cites
- 3439US5862194AZirconium based alloy of low irradiation growth, method of producing the same, and use of the sameHITACHI LTD·Filed 1997·Granted Jan 19, 1999·10 cites·11 claims
- 3539US2004079787A1Friction stir welding method and friction stir welding apparatusFiled 2003·Application pending·0 cites
- 3639US2003047590A1Friction stir welding apparatus and method and processing apparatus and methodFiled 2002·Application pending·0 cites
- 3734US4834565ADriving mechanism for a printer headFUJITSU LTD·Filed 1988·Granted May 30, 1989·3 cites·13 claims
- 3830US5349903APrinting head in wire-dot printerFUJITSU LTD·Filed 1992·Granted Sep 27, 1994·1 cites·12 claims
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