Inventor · disambiguated record
Masato Nakajima
Also filed as: NAKAJIMA MASATO
59 granted patents·8 pending applications·2,356 citations·filing 1973–2025
99Inventor score
Top patents by PatentIndex Score
67 records- 0197US5521633AMotor vehicle obstacle monitoring system using optical flow processingYAZAKI CORP·Filed 1993·Granted May 28, 1996·570 cites·9 claims
- 0295US6049747ADriver monitoring deviceYAZAKI CORP·Filed 1997·Granted Apr 11, 2000·133 cites·9 claims
- 0394US6246961B1Collision alarm method and apparatus for vehiclesYAZAKI CORP·Filed 1999·Granted Jun 12, 2001·166 cites·8 claims
- 0492US6285778B1Vehicle surroundings monitor with obstacle avoidance lightingYAZAKI CORP·Filed 1995·Granted Sep 4, 2001·364 cites·8 claims
- 0589US5759711ALiquid-circulating batteryKASHIMA KITA ELECTRIC POWER CO·Filed 1997·Granted Jun 2, 1998·130 cites·20 claims
- 0689US5318865ARedox batteryAGENCY IND SCIENCE TECHN·Filed 1992·Granted Jun 7, 1994·114 cites·3 claims
- 0787US7428468B2Monitoring apparatusSUMITOMO OSAKA CEMENT CO LTD·Filed 2002·Granted Sep 23, 2008·76 cites·48 claims
- 0885US5587132AMethod for producing high purity vanadium electrolytic solutionKASHIMA KITA ELECTRIC POWER CO·Filed 1995·Granted Dec 24, 1996·59 cites·12 claims
- 0982US9754088B2Information processing system, electronic device and service authorization methodOHZAKI HIROKI·Filed 2015·Granted Sep 5, 2017·5 cites·8 claims
- 1080US10394500B2Information processing system and application installation methodNAKAJIMA MASATO·Filed 2017·Granted Aug 27, 2019·3 cites·19 claims
- 1179US6771814B1Image processing device and image processing methodRISO KAGAKU CORP·Filed 2000·Granted Aug 3, 2004·26 cites·11 claims
- 1279US6587115B2Method of an apparatus for distinguishing type of pixelRISO KAGAKU CORP·Filed 2001·Granted Jul 1, 2003·20 cites·6 claims
- 1376US10673833B2Information processing system, server device, and method for processing informationKASHIYAMA SHIGEKI·Filed 2016·Granted Jun 2, 2020·4 cites·13 claims
- 1476US9294484B2System, service providing device, and service providing methodFUKUDA YASUHARU·Filed 2013·Granted Mar 22, 2016·6 cites·11 claims
- 1576US7085437B2Document modification apparatus and image processing apparatusRISO KAGAKU CORP·Filed 2001·Granted Aug 1, 2006·23 cites·12 claims
- 1676US5368762AMethod for producing vanadium electrolytic solutionKASHIMA KITA ELECTRIC POWER CO·Filed 1993·Granted Nov 29, 1994·47 cites·9 claims
- 1774US7431700B2Body movement and respiration monitorUNIV KEIO·Filed 2001·Granted Oct 7, 2008·90 cites·22 claims
- 1874US2025309611A1Laser light emitting device and optical distance measurement deviceDENSO CORP·Filed 2025·Application pending·0 cites
- 1973US6445809B1Environment monitoring systemYAZAKI CORP·Filed 1999·Granted Sep 3, 2002·100 cites·8 claims
- 2072US7651470B2Swallowing function evaluating apparatusSUMITOMO OSAKA CEMENT CO LTD·Filed 2007·Granted Jan 26, 2010·2 cites·15 claims
- 2172US7630537B2Three-dimensional shape-measuring deviceSUMITOMO OSAKA CEMENT CO LTD·Filed 2004·Granted Dec 8, 2009·18 cites·13 claims
- 2272US5666053ACharged particle beam apparatus for measuring magnetic fieldHITACHI LTD·Filed 1995·Granted Sep 9, 1997·25 cites·38 claims
- 2370US6466684B1Environment monitoring systemYAZAKI CORP·Filed 1999·Granted Oct 15, 2002·86 cites·10 claims
- 2468US9923889B2Data processing system, data processing apparatus and log in methodNAKAJIMA MASATO·Filed 2015·Granted Mar 20, 2018·2 cites·8 claims
- 2567US10584742B2Rolling bearingNSK LTD·Filed 2018·Granted Mar 10, 2020·1 cites·9 claims
- 2667US9288213B2System and service providing apparatusSEO NAOTOSHI·Filed 2013·Granted Mar 15, 2016·4 cites·8 claims
- 2766US5280519ACommunication apparatus capable of data communication and speech communicationRICOH KK·Filed 1992·Granted Jan 18, 1994·25 cites·12 claims
- 2865US4842691ASizing agents in neutral range and sizing methods using the sameARAKAWA CHEM IND·Filed 1987·Granted Jun 27, 1989·20 cites·16 claims
- 2965US2024168137A1Laser emitter and optical ranging apparatusDENSO CORP·Filed 2024·Application pending·0 cites
- 3065US2024204480A1Laser emitter and optical ranging apparatusDENSO CORP·Filed 2024·Application pending·0 cites
- 3164USD692049SType fontMIZUNO KK·Filed 2012·Granted Oct 22, 2013·16 cites·1 claims
- 3263US7155053B2Color image processing method and apparatusUNIV KEIO·Filed 2003·Granted Dec 26, 2006·8 cites·5 claims
- 3362US5216706ACommunication apparatus having remote control operation modeRICOH KK·Filed 1991·Granted Jun 1, 1993·22 cites·9 claims
- 3461US5267059ASheet scannerRICOH KK·Filed 1991·Granted Nov 30, 1993·22 cites·36 claims
- 3560US6987881B2Automatic visibility improvement method for digital imageOLYMPUS CORP·Filed 2002·Granted Jan 17, 2006·8 cites·15 claims
- 3659US10282525B2Information processing system, information processing apparatus, access control method, and programKASHIYAMA SHIGEKI·Filed 2015·Granted May 7, 2019·1 cites·13 claims
- 3759US10073003B2Seeding device and seeding methodHONDA MOTOR CO LTD·Filed 2014·Granted Sep 11, 2018·1 cites·7 claims
- 3859US9210159B2Information processing system, information processing device, and authentication methodSATOH JUN·Filed 2014·Granted Dec 8, 2015·1 cites·8 claims
- 3959US8949599B2Device management apparatus, method for device management, and computer program productNAKAJIMA MASATO·Filed 2013·Granted Feb 3, 2015·1 cites·6 claims
- 4059US6781715B1Image processing method and systemRISO KAGAKU CORP·Filed 2000·Granted Aug 24, 2004·6 cites·6 claims
- 4158US4131911AHermetically sealed opto-electrical semiconductor deviceNIPPON ELECTRIC CO·Filed 1976·Granted Dec 26, 1978·15 cites·13 claims
- 4258US2023012091A1RangefinderDENSO CORP·Filed 2022·Application pending·0 cites
- 4357US2022137186A1Light-emitting element drive device and optical range-finding deviceDENSO CORP·Filed 2022·Application pending·0 cites
- 4452US7545279B2Condition-analyzing deviceSUMITOMO OSAKA CEMENT CO LTD·Filed 2004·Granted Jun 9, 2009·9 cites·8 claims
- 4551US9228872B2Particle photographing device and flow velocity measurement deviceHONDA MOTOR CO LTD·Filed 2014·Granted Jan 5, 2016·0 cites·6 claims
- 4651US5222074AThermal decomposition cellMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Jun 22, 1993·9 cites·26 claims
- 4747US10538029B2Method of manufacturing high pressure gas tankTOYOTA MOTOR CO LTD·Filed 2017·Granted Jan 21, 2020·0 cites·13 claims
- 4847US9418217B2Information processing system and information processing methodNAKAJIMA MASATO·Filed 2014·Granted Aug 16, 2016·0 cites·4 claims
- 4947US5288782ARosin emulsion sizing agents for papermakingARAKAWA CHEM IND·Filed 1992·Granted Feb 22, 1994·12 cites·8 claims
- 5047US4944189AUltrasonic speckle velocity measurement method and apparatusALOKA CO LTD·Filed 1988·Granted Jul 31, 1990·31 cites·9 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →