Inventor · disambiguated record
Takayuki Arai
Also filed as: ARAI I TAKAYUKI · ARAI TAKAYUKI · YOKOYAMA KAZUAKI
108 granted patents·45 pending applications·1,717 citations·filing 1982–2025
99Inventor score
Top patents by PatentIndex Score
153 records- 0196US11809645B2Electronic penWACOM CO LTD·Filed 2022·Granted Nov 7, 2023·3 cites·12 claims
- 0296US11379057B2Electronic penWACOM CO LTD·Filed 2020·Granted Jul 5, 2022·4 cites·16 claims
- 0396US5982540ASurface light source device with polarization functionENPLAS CORP·Filed 1995·Granted Nov 9, 1999·157 cites·17 claims
- 0496US5899552ASurface light source deviceENPLAS CORP·Filed 1997·Granted May 4, 1999·159 cites·16 claims
- 0595US11853484B2Waterproof electronic penWACOM CO LTD·Filed 2020·Granted Dec 26, 2023·4 cites·8 claims
- 0694US5659410ASurface light source device and liquid crystal displayENPLAS CORP·Filed 1994·Granted Aug 19, 1997·134 cites·20 claims
- 0793US10503281B2Position indicatorWACOM CO LTD·Filed 2017·Granted Dec 10, 2019·8 cites·30 claims
- 0893US8866579B2Laminated inductorTAIYO YUDEN KK·Filed 2012·Granted Oct 21, 2014·15 cites·12 claims
- 0992US8610525B2Laminated inductorMATSUURA HITOSHI·Filed 2012·Granted Dec 17, 2013·10 cites·12 claims
- 1092US6390035B2Reciprocating internal combustion engineNISSAN MOTOR·Filed 2001·Granted May 21, 2002·48 cites·17 claims
- 1192US6172809B1Surface light source device with polarization functionENPLAS CORP·Filed 1998·Granted Jan 9, 2001·102 cites·7 claims
- 1292US4801539AFermentation method for producing hyaluronic acidSHISEIDO CO LTD·Filed 1985·Granted Jan 31, 1989·138 cites·5 claims
- 1391US12393289B2Electronic pen with electronic pen body part having button switch and pusher part inserted into insertion part formed in operatorWACOM CO LTD·Filed 2024·Granted Aug 19, 2025·1 cites·10 claims
- 1491US12164122B2Electromagnetic flux controlling memberENPLAS CORP·Filed 2022·Granted Dec 10, 2024·2 cites·8 claims
- 1591US10061406B2Position pointerWACOM CO LTD·Filed 2016·Granted Aug 28, 2018·9 cites·19 claims
- 1691US9892843B2Laminated inductorTAIYO YUDEN KK·Filed 2016·Granted Feb 13, 2018·4 cites·6 claims
- 1791USD744486SNib for electronic penWACOM CO LTD·Filed 2013·Granted Dec 1, 2015·48 cites·1 claims
- 1890US12032757B2Electronic pen with electronic pen body part having button switch and pusher part inserted into insertion part formed in operatorWACOM CO LTD·Filed 2023·Granted Jul 9, 2024·1 cites·8 claims
- 1990US8427265B2Laminated inductorHACHIYA MASAHIRO·Filed 2012·Granted Apr 23, 2013·15 cites·6 claims
- 2090US8048989B2Biodegradable biopolymers, method for their preparation and functional materials constituted by these biopolymersNAT INST OF AGROBIO SCIENCES·Filed 2010·Granted Nov 1, 2011·9 cites·1 claims
- 2188US12315660B2Magnetic body, coil component including magnetic body, and method of manufacturing magnetic bodyTAIYO YUDEN KK·Filed 2021·Granted May 27, 2025·1 cites·13 claims
- 2288US10930420B2Coil componentTAIYO YUDEN KK·Filed 2017·Granted Feb 23, 2021·4 cites·19 claims
- 2387US12493365B2Waterproof electronic penWACOM CO LTD·Filed 2024·Granted Dec 9, 2025·0 cites·13 claims
- 2487USD604697SElectric connector with cableHONDA TSUSHIN KOGYO CO LTD·Filed 2008·Granted Nov 24, 2009·38 cites·1 claims
- 2586US12260987B2Method of manufacturing coil componentTAIYO YUDEN KK·Filed 2024·Granted Mar 25, 2025·0 cites·20 claims
- 2686US11217384B2Magnetic coupling coil componentTAIYO YUDEN KK·Filed 2018·Granted Jan 4, 2022·2 cites·17 claims
- 2786US6275338B1Light regulation deviceENPLAS CORP·Filed 1997·Granted Aug 14, 2001·75 cites·2 claims
- 2886US2025110587A1Electronic penWACOM CO LTD·Filed 2024·Application pending·0 cites
- 2985US10802616B2Electronic penWACOM CO LTD·Filed 2019·Granted Oct 13, 2020·2 cites·17 claims
- 3085US7738990B2Knitting structure model generating program, knitting structure model generating device and knitting structure model generating methodDIGITAL FASHION LTD·Filed 2007·Granted Jun 15, 2010·21 cites·13 claims
- 3185US6290364B1Surface light source deviceENPLAS CORP·Filed 1998·Granted Sep 18, 2001·67 cites·4 claims
- 3285US2025348159A1Electronic pen with electronic pen body part having button switch and pusher part inserted into insertion part formed in operatorWACOM CO LTD·Filed 2025·Application pending·0 cites
- 3384US11527342B2Coil component and electronic deviceTAIYO YUDEN KK·Filed 2019·Granted Dec 13, 2022·4 cites·13 claims
- 3484US6049649ASurface light source device of side-light typeENPLAS CORP·Filed 1997·Granted Apr 11, 2000·69 cites·11 claims
- 3584US5818555ASurface light source deviceENPLAS CORP·Filed 1994·Granted Oct 6, 1998·64 cites·18 claims
- 3683US12111986B2Waterproof electronic penWACOM CO LTD·Filed 2023·Granted Oct 8, 2024·0 cites·14 claims
- 3783US8008439B2Biodegradable biopolymers, method for their preparation and functional materials constituted by these biopolymersNAT INST OF AGROBIO SCIENCES·Filed 2008·Granted Aug 30, 2011·7 cites·15 claims
- 3883US4934347AVariable compression piston arrangement for internal combustion engineNISSAN MOTOR·Filed 1988·Granted Jun 19, 1990·38 cites·17 claims
- 3983US2025138653A1Electronic penWACOM CO LTD·Filed 2024·Application pending·0 cites
- 4082US12322891B2Connector and connector setIRISO ELECTRONICS CO LTD·Filed 2022·Granted Jun 3, 2025·1 cites·11 claims
- 4182US12204702B2Electronic penWACOM CO LTD·Filed 2023·Granted Jan 21, 2025·0 cites·15 claims
- 4282US12073986B2InductorTAIYO YUDEN KK·Filed 2023·Granted Aug 27, 2024·0 cites·16 claims
- 4382US10777342B2Coil component and method for manufacturing the sameTAIYO YUDEN KK·Filed 2017·Granted Sep 15, 2020·2 cites·19 claims
- 4481US4809650AVariable compression control arrangement for internal combustion engineNISSAN MOTOR·Filed 1987·Granted Mar 7, 1989·35 cites·11 claims
- 4580US12216843B2Electronic penWACOM CO LTD·Filed 2023·Granted Feb 4, 2025·0 cites·16 claims
- 4680US11216088B2Electronic penWACOM CO LTD·Filed 2018·Granted Jan 4, 2022·2 cites·20 claims
- 4780US7345713B2Video display apparatus for correcting luminance difference between display pixelsTOSHIBA KK·Filed 2005·Granted Mar 18, 2008·7 cites·5 claims
- 4880US6027220ASurface light source device outputting polarized frontal illumination lightENPLAS CORP·Filed 1996·Granted Feb 22, 2000·57 cites·6 claims
- 4979US10096418B2Laminated inductorTAIYO YUDEN KK·Filed 2017·Granted Oct 9, 2018·1 cites·6 claims
- 5079US6345899B1Surface light source device of side light typeENPLAS CORP·Filed 1998·Granted Feb 12, 2002·59 cites·9 claims
Showing the top 50 of 153 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →