Inventor · disambiguated record
Isao Fujiwara
Also filed as: FUJIWARA ISAO
43 granted patents·11 pending applications·451 citations·filing 1989–2022
98Inventor score
Top patents by PatentIndex Score
54 records- 0196US7184256B1High-voltage feed-through capacitor and magnetronTDK CORP·Filed 2006·Granted Feb 27, 2007·54 cites·10 claims
- 0294US11258391B2Rotating electrical machine control deviceAISIN AW CO·Filed 2019·Granted Feb 22, 2022·10 cites·19 claims
- 0392US11056984B2Inverter control deviceAISIN AW CO·Filed 2018·Granted Jul 6, 2021·4 cites·20 claims
- 0491US11909342B2Rotating electrical machine control deviceAISIN CORP·Filed 2020·Granted Feb 20, 2024·2 cites·14 claims
- 0589US11862405B2High-voltage feed-through capacitorTDK CORP·Filed 2022·Granted Jan 2, 2024·2 cites·11 claims
- 0687US7928686B2Electric motor control device, electric vehicle, and hybrid electric vehicleAISIN AW CO·Filed 2008·Granted Apr 19, 2011·23 cites·10 claims
- 0787US7053581B2Electrically operated drive controller, electrically operated drive control method and its programAISIN AW CO·Filed 2005·Granted May 30, 2006·19 cites·7 claims
- 0887US7049779B2Motor drive control apparatus, motor drive control method and program of the sameAISIN AW CO·Filed 2005·Granted May 23, 2006·25 cites·20 claims
- 0986US10535860B2Nonaqueous electrolyte secondary batteryPANASONIC CORP·Filed 2016·Granted Jan 14, 2020·2 cites·4 claims
- 1085US9614249B2Separator for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary batteryPANASONIC IP MAN CO LTD·Filed 2014·Granted Apr 4, 2017·3 cites·20 claims
- 1184US10644301B2Prismatic secondary battery and assembled battery using the sameSANYO ELECTRIC CO·Filed 2019·Granted May 5, 2020·1 cites·8 claims
- 1283US7190525B2Diffusion film comprising transparent substrate and diffusion layerFUJI PHOTO FILM CO LTD·Filed 2002·Granted Mar 13, 2007·23 cites·15 claims
- 1383US5544002AHigh voltage capacitor and magnetronTDK CORP·Filed 1992·Granted Aug 6, 1996·66 cites·7 claims
- 1482US7489099B2Electrical drive control device and electrical drive control methodAISIN AW CO·Filed 2007·Granted Feb 10, 2009·14 cites·15 claims
- 1580US6510038B1High-voltage feedthrough capacitorTDK CORP·Filed 1997·Granted Jan 21, 2003·75 cites·8 claims
- 1678US10305084B2Prismatic secondary battery and assembled battery using the sameSANYO ELECTRIC CO·Filed 2016·Granted May 28, 2019·1 cites·21 claims
- 1778US7049782B2Electrically operated drive controller, electrically operated drive control method and its programAISIN AW CO·Filed 2005·Granted May 23, 2006·12 cites·14 claims
- 1876US11456686B2Rotating electrical machine control deviceAISIN CORP·Filed 2019·Granted Sep 27, 2022·2 cites·14 claims
- 1974US9703008B2Optical film, polarizing plate, and liquid crystal display deviceFUJIFILM CORP·Filed 2015·Granted Jul 11, 2017·1 cites·16 claims
- 2069US11886079B2Wavelength conversion member, light emitting device, and liquid crystal display deviceFUJIFILM CORP·Filed 2022·Granted Jan 30, 2024·0 cites·18 claims
- 2169US6995820B2Anisotropic spectral scattering films, polarizers and liquid crystal displaysFUJI PHOTO FILM CO LTD·Filed 2004·Granted Feb 7, 2006·11 cites·13 claims
- 2268US8836897B2Liquid crystal display deviceTAKEDA JUN·Filed 2012·Granted Sep 16, 2014·1 cites·21 claims
- 2367US6288886B1High voltage capacitor and magnetronTDK CORP·Filed 2000·Granted Sep 11, 2001·16 cites·6 claims
- 2465US5032949AHigh-voltage through-type ceramic capacitorTDK CORP·Filed 1989·Granted Jul 16, 1991·12 cites·12 claims
- 2561US11885995B2Image display apparatus, information display system for vehicle, and optical filmFUJIFILM CORP·Filed 2022·Granted Jan 30, 2024·0 cites·7 claims
- 2660US9985261B2Separator for nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary batteryPANASONIC CORP·Filed 2015·Granted May 29, 2018·0 cites·8 claims
- 2758US6344962B2High voltage capacitor and magnetronTDK CORP·Filed 2001·Granted Feb 5, 2002·13 cites·4 claims
- 2855US2011045356A1BatteryFUJIWARA ISAO·Filed 2009·Application pending·0 cites
- 2954US7042704B2High-voltage capacitor, high-voltage capacitor device and magnetronTDK CORP·Filed 2005·Granted May 9, 2006·2 cites·5 claims
- 3054US2015093625A1Separator for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary batteryPANASONIC CORP·Filed 2014·Application pending·0 cites
- 3152US11705850B2Rotating electrical machine control systemAISIN CORP·Filed 2020·Granted Jul 18, 2023·0 cites·8 claims
- 3252US10243195B2Nonaqueous electrolyte secondary batteryPANASONIC CORP·Filed 2016·Granted Mar 26, 2019·0 cites·5 claims
- 3352US5950469AMethod and equipment for surface-hardening treatment of steel balls for a ball bearingTSUBAKI NAKASHIMA CO LTD·Filed 1998·Granted Sep 14, 1999·17 cites·22 claims
- 3452US2020194753A1Power storage devicePANASONIC IP MAN CO LTD·Filed 2019·Application pending·0 cites
- 3552US2015221918A1Separator for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary batterySANYO ELECTRIC CO·Filed 2014·Application pending·0 cites
- 3652US2009191460A1Nonaqueous secondary battery and method for producing the samePANASONIC CORP·Filed 2008·Application pending·0 cites
- 3750US6909590B2High voltage capacitor and magnetronTDK CORP·Filed 2004·Granted Jun 21, 2005·5 cites·4 claims
- 3849US7460353B2High-voltage capacitor, high-voltage capacitor device and magnetronTDK CORP·Filed 2006·Granted Dec 2, 2008·0 cites·19 claims
- 3948US8477275B2Optical film and liquid crystal display deviceTOYAMA HIROFUMI·Filed 2011·Granted Jul 2, 2013·0 cites·14 claims
- 4048US2007139782A1Diffusion film comprising transparent substrate and diffusion layerFUJI PHOTO FILM CO LTD·Filed 2007·Application pending·0 cites
- 4147US7339333B2Motor drive control apparatus, motor drive control method and program of the sameAISIN AW CO·Filed 2005·Granted Mar 4, 2008·1 cites·6 claims
- 4247US5729425AHigh voltage capacitor and magnetron having porcelain dielectric materialTDK CORP·Filed 1996·Granted Mar 17, 1998·14 cites·4 claims
- 4346US5353550ASteel ball polishing apparatusISUBAKIMOTO PRECISION PRODUCTS·Filed 1994·Granted Oct 11, 1994·12 cites·12 claims
- 4445US5113309AHigh-voltage through-type ceramic capacitorTDK CORP·Filed 1991·Granted May 12, 1992·6 cites·9 claims
- 4544US2013083274A1Cellulose acylate laminate film and its production method, polarizer and liquid-crystal display deviceFUJIFILM CORP·Filed 2012·Application pending·0 cites
- 4642US11316235B2Prismatic secondary battery, assembled battery using the same and method of producing the sameSANYO ELECTRIC CO·Filed 2016·Granted Apr 26, 2022·0 cites·19 claims
- 4742US11121439B2Secondary batteryPANASONIC CORP·Filed 2016·Granted Sep 14, 2021·0 cites·12 claims
- 4842US2011052954A1Battery, method of manufacturing the same and non-aqueous secondary battery using the samePANASONIC CORP·Filed 2010·Application pending·0 cites
- 4940US2016156009A1Separator for nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary batteryPANASONIC CORP·Filed 2015·Application pending·0 cites
- 5039US2015380739A1Negative electrode plate for nonaqueous electrolyte secondary battery and method of producing the samePANASONIC CORP·Filed 2015·Application pending·0 cites
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →