Inventor · disambiguated record
Masayuki Arai
Also filed as: ARAI MASAYUKI
67 granted patents·2 pending applications·697 citations·filing 1982–2021
99Inventor score
Top patents by PatentIndex Score
69 records- 0194US8801299B2Hybrid optical connector assembly, cable for use with hybrid optical connector assembly and plug for use with hybrid optical connector assemblySHIMOTSU AKIHIRO·Filed 2010·Granted Aug 12, 2014·27 cites·20 claims
- 0291US7711473B2Map data update method and navigation apparatusALPINE ELECTRONICS INC·Filed 2006·Granted May 4, 2010·38 cites·15 claims
- 0388US10851843B2Vehicle including coupling deviceTOYOTA MOTOR CO LTD·Filed 2019·Granted Dec 1, 2020·8 cites·15 claims
- 0484US5614895AMap information regenerating deviceHONDA MOTOR CO LTD·Filed 1994·Granted Mar 25, 1997·79 cites·5 claims
- 0583US5323374AMethod of magneto-optical recordingSONY CORP·Filed 1993·Granted Jun 21, 1994·34 cites·1 claims
- 0682US10293688B2Control device for four-wheel-drive vehicle and control method for four-wheel-drive vehicleTOYOTA MOTOR CO LTD·Filed 2017·Granted May 21, 2019·4 cites·3 claims
- 0781US6169844B1Program recording methods and apparatusSONY CORP·Filed 1998·Granted Jan 2, 2001·72 cites·27 claims
- 0881US5286540ABlow molded container made of polypropylene resinMITSUBISHI CHEM IND·Filed 1993·Granted Feb 15, 1994·26 cites·7 claims
- 0979US9417414B2Optical connector for a card including concave and convex guide portionsSHIMOTSU AKIHIRO·Filed 2010·Granted Aug 16, 2016·5 cites·15 claims
- 1079US9379467B2Optical connector having a press-fit guide portionSHIMOTSU AKIHIRO·Filed 2010·Granted Jun 28, 2016·5 cites·18 claims
- 1179US9364952B2Force sensor protection mechanism, end effector, and robot armCANON KK·Filed 2014·Granted Jun 14, 2016·8 cites·7 claims
- 1279US4750178AError correction methodSONY CORP·Filed 1986·Granted Jun 7, 1988·32 cites·5 claims
- 1378US11462870B2Wiring board and electronic component testing apparatus comprising coaxial connector, and coaxial connectorADVANTEST CORP·Filed 2021·Granted Oct 4, 2022·1 cites·14 claims
- 1475US8696510B2Driveline for four-wheel drive vehicleARAI MASAYUKI·Filed 2012·Granted Apr 15, 2014·7 cites·7 claims
- 1575US8475054B2ConnectorSHIMOTSU AKIHIRO·Filed 2009·Granted Jul 2, 2013·14 cites·20 claims
- 1674US5783836AOptical sensor apparatus for detecting vapor of organic solventHOECHST AG·Filed 1995·Granted Jul 21, 1998·43 cites·6 claims
- 1773US5774071AOn-board vehicle navigation apparatusHONDA MOTOR CO LTD·Filed 1995·Granted Jun 30, 1998·59 cites·4 claims
- 1871US7623423B2Apparatus and method for recording data in different formats on a multilayer optical disk, and storage medium having a program stored thereon to enable a computer to perform such methodSONY CORP·Filed 2006·Granted Nov 24, 2009·2 cites·11 claims
- 1970US10245950B2Control device of vehicular four-wheel drive systemTOYOTA MOTOR CO LTD·Filed 2017·Granted Apr 2, 2019·2 cites·5 claims
- 2068US8449202B2Optical connectorSHIMOTSU AKIHIRO·Filed 2009·Granted May 28, 2013·4 cites·31 claims
- 2166US6078442AND filterASAHI SEIMITSU KK·Filed 1998·Granted Jun 20, 2000·31 cites·14 claims
- 2265US5644069ASensor for distinguishing fuel vaporsHOECHST AG·Filed 1995·Granted Jul 1, 1997·30 cites·32 claims
- 2363US7865305B2Navigation systemHONDA MOTOR CO LTD·Filed 2008·Granted Jan 4, 2011·4 cites·4 claims
- 2462US11342693B2Connector assemblyMOLEX LLC·Filed 2020·Granted May 24, 2022·0 cites·12 claims
- 2559US10840618B2Connector assemblyMOLEX LLC·Filed 2019·Granted Nov 17, 2020·1 cites·13 claims
- 2657US9272700B2Control system for four-wheel drive vehicleTOYOTA MOTOR CO LTD·Filed 2014·Granted Mar 1, 2016·2 cites·12 claims
- 2757US8239355B2Map data update method and map data update systemSEKINE MINORU·Filed 2006·Granted Aug 7, 2012·4 cites·7 claims
- 2855US7068318B2Diaphragm control apparatus for lens of CCTV cameraPENTAX CORP·Filed 2000·Granted Jun 27, 2006·2 cites·4 claims
- 2955US6985428B2Optical recording medium, recording, and reproduction apparatus having multiple recording capacity featuresSONY CORP·Filed 2005·Granted Jan 10, 2006·0 cites·1 claims
- 3055US6980508B2Optical recording medium, recording, and reproduction apparatus having multiple recording capacity featuresSONY CORP·Filed 2005·Granted Dec 27, 2005·0 cites·1 claims
- 3154US7895912B2Power transmission controlling apparatusTOYOTA MOTOR CO LTD·Filed 2008·Granted Mar 1, 2011·2 cites·14 claims
- 3253US7330214B2Diaphragm apparatus of lens for CCTV cameraPENTAX CORP·Filed 2001·Granted Feb 12, 2008·1 cites·9 claims
- 3353US6400676B2Disc-shaped recording mediumSONY CORP·Filed 2001·Granted Jun 4, 2002·2 cites·6 claims
- 3453US4562477AAutomatic diaphragm control device for use with CCTV cameraASAHI SEIMITSU KK·Filed 1984·Granted Dec 31, 1985·11 cites·6 claims
- 3552US5814711APolymerization medium to prepare multi-block copolymersHOECHST CELANESE CORP·Filed 1996·Granted Sep 29, 1998·11 cites·14 claims
- 3652US5798996AMethod and apparatus for recording digital data by controlling the location of the edge of recording pits through modulation of a laserSONY CORP·Filed 1995·Granted Aug 25, 1998·10 cites·9 claims
- 3752US5721969AMechanism for driving a blur correcting lens in a blurred image correcting apparatus of a cameraASAHI SEIMITSU KK·Filed 1996·Granted Feb 24, 1998·17 cites·15 claims
- 3851US6040985ACircuit board having general purpose region and programmable regionSONY CORP·Filed 1997·Granted Mar 21, 2000·14 cites·6 claims
- 3950US7299394B2Method and apparatus for determining optimum initial value for test pattern generatorSEMICONDUCTOR TECH ACAD RES CT·Filed 2003·Granted Nov 20, 2007·6 cites·18 claims
- 4050US4651216ARemoto-controllable automatic diaphragm control device for use with CCTV cameraASAHI SEIMITSU KK·Filed 1984·Granted Mar 17, 1987·9 cites·8 claims
- 4149US11462859B2Coaxial terminal, coaxial connector, wiring board, and electronic component testing apparatusADVANTEST CORP·Filed 2021·Granted Oct 4, 2022·0 cites·5 claims
- 4249US2018247340A1Information processing device, evaluation method and program storage mediumNEC CORP·Filed 2016·Application pending·0 cites
- 4347US7933715B2Navigation device and navigation systemHONDA MOTOR CO LTD·Filed 2008·Granted Apr 26, 2011·0 cites·5 claims
- 4447US4472743AAutomatic diaphragm control device for a closed circuit television cameraASAHI SEIMITSU KK·Filed 1982·Granted Sep 18, 1984·8 cites·16 claims
- 4546US8447453B2Navigation device and navigation systemSENGOKU KOJI·Filed 2008·Granted May 21, 2013·0 cites·8 claims
- 4646US8185310B2Navigation server and navigation systemSENGOKU KOJI·Filed 2008·Granted May 22, 2012·0 cites·6 claims
- 4745US6700861B2Optical disc and apparatus for scanning the optical discKONINKL PHILIPS ELECTRONICS NV·Filed 2003·Granted Mar 2, 2004·0 cites·35 claims
- 4845US4562476AAutomatic diaphragm control device for use IWT CCTV cameraASAHI SEIMITSU KK·Filed 1984·Granted Dec 31, 1985·7 cites·5 claims
- 4944US10458492B2Power transfer device for vehicle and control method of power transfer deviceTOYOTA MOTOR CO LTD·Filed 2018·Granted Oct 29, 2019·0 cites·4 claims
- 5044US9415684B2Control device and control method for four-wheel drive vehicleTOYOTA MOTOR CO LTD·Filed 2014·Granted Aug 16, 2016·0 cites·9 claims
Showing the top 50 of 69 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Masayuki Arai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →