Inventor · disambiguated record
Tetsuo Oka
Also filed as: OKA TETSUO
28 granted patents·1 pending application·445 citations·filing 1984–2019
97Inventor score
Top patents by PatentIndex Score
29 records- 0186US7959139B2Noncontact rotating processorUNIV NIIGATA·Filed 2006·Granted Jun 14, 2011·13 cites·11 claims
- 0275US6696112B2Display device having a polyimide insulating layerTORAY INDUSTRIES·Filed 2001·Granted Feb 24, 2004·14 cites·6 claims
- 0373US6705934B1Polishing padTORAY INDUSTRIES·Filed 1999·Granted Mar 16, 2004·38 cites·14 claims
- 0473US4876893AStrain gauges for the pressure sensorAISIN SEIKI·Filed 1987·Granted Oct 31, 1989·28 cites·7 claims
- 0573US4726988AVertical magnetic recording mediumTORAY INDUSTRIES·Filed 1985·Granted Feb 23, 1988·16 cites·12 claims
- 0672US6169402B1Nuclear magnetic resonance spectrometerAISIN SEIKI·Filed 1999·Granted Jan 2, 2001·36 cites·31 claims
- 0771US7396558B2Integrated mask and method and apparatus for manufacturing organic EL device using the sameTORAY INDUSTRIES·Filed 2002·Granted Jul 8, 2008·18 cites·2 claims
- 0871US6441710B1Superconducting magnet apparatus and method for magnetizing superconductorAISIN SEIKI·Filed 2000·Granted Aug 27, 2002·10 cites·4 claims
- 0969US6362107B1Polishing pad and polishing deviceTORAY INDUSTRIES·Filed 1999·Granted Mar 26, 2002·38 cites·14 claims
- 1066US6111490ASuperconducting magnet apparatus and method for magnetizing superconductorAISIN SEIKI·Filed 1997·Granted Aug 29, 2000·16 cites·15 claims
- 1165US5095714ASurging prediction device for a centrifugal compressorDAIKIN IND LTD·Filed 1990·Granted Mar 17, 1992·31 cites·9 claims
- 1263US5204315ASuperconductor wire and process for production thereofAISIN SEIKI·Filed 1992·Granted Apr 20, 1993·20 cites·3 claims
- 1363US4888211AProcess for preparation of vertical magnetic recording mediumTORAY INDUSTRIES·Filed 1988·Granted Dec 19, 1989·19 cites·3 claims
- 1462US5521570ASuperconductive magnetic levitation apparatusIMRA MATERIAL R & D CO LTD·Filed 1995·Granted May 28, 1996·21 cites·10 claims
- 1559US5581135ASuperconducting motorIMRA MATERIAL R & D CO LTD·Filed 1994·Granted Dec 3, 1996·24 cites·26 claims
- 1658US11541580B2Method for preparing compact of resin compound having anisotropyUNIV NIIGATA·Filed 2019·Granted Jan 3, 2023·0 cites·10 claims
- 1757US7026901B2Superconducting magnet apparatus and method for magnetizing superconductorAISIN SEIKI·Filed 2002·Granted Apr 11, 2006·6 cites·7 claims
- 1857US5659278ASuperconducting magnet device, magnetizing device and method for superconductorIMRA MATERIAL R & D CO LTD·Filed 1995·Granted Aug 19, 1997·16 cites·28 claims
- 1955US6545474B2Controlling method of superconductor magnetic field application apparatus, and nuclear magnetic resonance apparatus and superconducting magnet apparatus using the methodRIKEN·Filed 2001·Granted Apr 8, 2003·7 cites·21 claims
- 2053US4655079ALevel gauge for liquid heliumAISIN SEIKI·Filed 1984·Granted Apr 7, 1987·12 cites·7 claims
- 2151US4944183ALevel gauge for liquid heliumAISIN SEIKI·Filed 1988·Granted Jul 31, 1990·12 cites·8 claims
- 2250US6847278B2Magnetic deviceAISIN SEIKI·Filed 2002·Granted Jan 25, 2005·3 cites·20 claims
- 2350US6489769B2Nuclear magnetic resonance apparatusRIKEN·Filed 2001·Granted Dec 3, 2002·5 cites·10 claims
- 2446US5374612A"Oxide superconductor wire having sintered silver powder layers"AISIN SEIKI·Filed 1992·Granted Dec 20, 1994·8 cites·4 claims
- 2546US4970487APressure sensorAISIN SEIKI·Filed 1988·Granted Nov 13, 1990·11 cites·9 claims
- 2643US5159490AMirrorAISIN SEIKI·Filed 1991·Granted Oct 27, 1992·13 cites·7 claims
- 2743US4745806ALevel gauge for liquid heliumAISIN SEIKI·Filed 1986·Granted May 24, 1988·9 cites·2 claims
- 2841US2006252650A1Superconducting permanent magnetAISIN SEIKI·Filed 2005·Application pending·0 cites
- 2929US5981442ANeodymium-barium-copper-oxide bulk superconductor and process for producing the sameAISIN SEIKI·Filed 1998·Granted Nov 9, 1999·1 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →