Inventor · disambiguated record
Hisanori Okamura
Also filed as: OKAMURA HISANORI
38 granted patents·7 pending applications·1,721 citations·filing 1974–2007
99Inventor score
Top patents by PatentIndex Score
45 records- 0198US7036707B2Friction stir welding method, frame members used therein, and product formed therebyHITACHI LTD·Filed 2003·Granted May 2, 2006·76 cites·20 claims
- 0297US6594149B2Liquid cooled circuit deviceHITACHI LTD·Filed 2002·Granted Jul 15, 2003·99 cites·17 claims
- 0397US6299050B1Friction stir welding apparatus and methodHITACHI LTD·Filed 2000·Granted Oct 9, 2001·127 cites·12 claims
- 0497US6050474AFriction stir welding method, frame members used therein, and product formed therebyHITACHI LTD·Filed 1998·Granted Apr 18, 2000·222 cites·15 claims
- 0596US6588647B2Liquid cooled circuit device and a manufacturing method thereofHITACHI LTD·Filed 2002·Granted Jul 8, 2003·80 cites·2 claims
- 0696US6419144B2Method of forming structural body using friction stir welding, and structural body formedHITACHI LTD·Filed 2001·Granted Jul 16, 2002·32 cites·9 claims
- 0796US6305866B1Structure joined by friction stir weldingHITACHI LTD·Filed 2000·Granted Oct 23, 2001·60 cites·19 claims
- 0896US6237829B1Friction stir welding apparatusHITACHI LTD·Filed 2000·Granted May 29, 2001·59 cites·15 claims
- 0995US7480992B2Cooling plate and manufacturing method thereof, and sputtering target and manufacturing method thereofHITACHI LTD·Filed 2007·Granted Jan 27, 2009·17 cites·9 claims
- 1094US6619534B2Friction stir welding method using members which overlap and have protrusion at the weld location prior to the weldingHITACHI LTD·Filed 2002·Granted Sep 16, 2003·22 cites·4 claims
- 1194US6555779B1Underwater processing device and underwater processing methodHITACHI LTD·Filed 2000·Granted Apr 29, 2003·81 cites·6 claims
- 1294US6382498B2Friction stir welding method including positioning of rotary tool, and structural body formed therebyHITACHI LTD·Filed 2001·Granted May 7, 2002·37 cites·2 claims
- 1393US6378754B2Friction stir welding method including removal of protruding portion, and structural body formed therebyHITACHI LTD·Filed 2001·Granted Apr 30, 2002·32 cites·16 claims
- 1493US5325012ABonded type piezoelectric apparatus, method for manufacturing the same and bonded type piezoelectric elementHITACHI LTD·Filed 1992·Granted Jun 28, 1994·110 cites·13 claims
- 1591US6866181B2Friction stir welding methodHITACHI LTD·Filed 2003·Granted Mar 15, 2005·47 cites·20 claims
- 1689US6729526B2Friction stir welding apparatus and method and processing apparatus and methodHITACHI LTD·Filed 2002·Granted May 4, 2004·40 cites·3 claims
- 1789US6585443B2Structural body formed by friction stir welding two members, one of which has a protruding portionHITACHI LTD·Filed 2001·Granted Jul 1, 2003·22 cites·8 claims
- 1888US6585148B2Welding processes for iron-base ultra fine grained materials and structural components manufactured by the processesHITACHI LTD·Filed 2002·Granted Jul 1, 2003·40 cites·19 claims
- 1988US3975612AWelding method for dissimilar metalsHITACHI LTD·Filed 1974·Granted Aug 17, 1976·51 cites·8 claims
- 2087US6146094AMotor-driven blower and method of manufacturing impeller for motor-driven blowerHITACHI LTD·Filed 1998·Granted Nov 14, 2000·83 cites·7 claims
- 2185US6936332B2Extruded frame member for use in friction stir weldingHITACHI LTD·Filed 2001·Granted Aug 30, 2005·17 cites·32 claims
- 2284US6613447B2Structural body formed by friction stir welding and having protrusion at the weld provided prior to the weldingFiled 2002·Granted Sep 2, 2003·10 cites·14 claims
- 2384US6607837B2Structural body formed by friction stir welding methodHITACHI LTD·Filed 2002·Granted Aug 19, 2003·15 cites·6 claims
- 2484US6595403B2Friction stir welding methodHITACHI LTD·Filed 2001·Granted Jul 22, 2003·27 cites·3 claims
- 2583US5621243ASemiconductor device having thermal stress resistance structureHITACHI LTD·Filed 1994·Granted Apr 15, 1997·80 cites·32 claims
- 2683US5051397AJoined body of high-temperature oxide superconductor and method of joining oxide superconductorsHITACHI LTD·Filed 1989·Granted Sep 24, 1991·35 cites·7 claims
- 2780US6640515B1Frame member used in friction stir weldingHITACHI LTD·Filed 2000·Granted Nov 4, 2003·12 cites·20 claims
- 2879US6540128B2Friction stir welding method and apparatus, and welded structureHITACHI LTD·Filed 2001·Granted Apr 1, 2003·19 cites·9 claims
- 2977US4690793ANuclear fusion reactorHITACHI LTD·Filed 1984·Granted Sep 1, 1987·35 cites·17 claims
- 3076US6722286B2Structure and railway carHITACHI LTD·Filed 2002·Granted Apr 20, 2004·18 cites·4 claims
- 3175US7097091B2Friction stir welding method and component part welded by the methodHITACHI LTD·Filed 2002·Granted Aug 29, 2006·18 cites·2 claims
- 3275US6739495B2Friction stir welding method and component part welded by the methodHITACHI LTD·Filed 2003·Granted May 25, 2004·19 cites·5 claims
- 3371US4636434ACeramic composite articleHITACHI LTD·Filed 1984·Granted Jan 13, 1987·24 cites·37 claims
- 3465US6783055B2Friction stir welding method and rotary toolHITACHI LTD·Filed 2002·Granted Aug 31, 2004·10 cites·25 claims
- 3559US3999030AWelding method for dissimilar metalsHITACHI LTD·Filed 1974·Granted Dec 21, 1976·14 cites·6 claims
- 3658US5654992AMethod of repairing structural materials of nuclear reactor internals and apparatus thereforHITACHI LTD·Filed 1995·Granted Aug 5, 1997·25 cites·16 claims
- 3756US6716538B2Structural body formed by friction stir weldingHITACHI LTD·Filed 2002·Granted Apr 6, 2004·2 cites·2 claims
- 3855US2006096748A1Cooling plate and manufacturing method thereof, and sputtering target and manufacturing method thereofHITACHI CABLE·Filed 2005·Application pending·0 cites
- 3953US6715665B2Friction stir welding method and apparatus, and welded structureHITACHI LTD·Filed 2003·Granted Apr 6, 2004·4 cites·6 claims
- 4050US2004194942A1Cooling plate and manufacturing method thereof, and sputtering target and manufacturing method thereof thereofHITACHI LTD·Filed 2004·Application pending·0 cites
- 4140US2002153130A1Cooling plate and manufacturing method thereof, and sputtering target and manufacturing method thereofFiled 2001·Application pending·0 cites
- 4240US2004173663A1Friction stir welding apparatus and method and processing apparatus and methodFiled 2004·Application pending·0 cites
- 4339US2003047590A1Friction stir welding apparatus and method and processing apparatus and methodFiled 2002·Application pending·0 cites
- 4438US2003042293A1Friction stir welding method and panel structure for friction stir weldingFiled 2002·Application pending·0 cites
- 4537US2002023941A1Friction stir bonding method, and hollow-shaped material thereofFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →