Inventor · disambiguated record
Nobutaka Yamaguchi
Also filed as: FUJIYAMA MASAAKI · FUJIYAMA MASAKI · YAMAGUCHI NOBUTAKA
49 granted patents·476 citations·filing 1975–2018
98Inventor score
Top patents by PatentIndex Score
49 records- 0189US10710462B2Driving deviceHONDA MOTOR CO LTD·Filed 2017·Granted Jul 14, 2020·7 cites·23 claims
- 0286US4002804AMagnetic recording materialFUJI PHOTO FILM CO LTD·Filed 1975·Granted Jan 11, 1977·28 cites·13 claims
- 0385US4764423AAbrasive tapeFUJI PHOTO FILM CO LTD·Filed 1986·Granted Aug 16, 1988·54 cites·2 claims
- 0483US4420532AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1982·Granted Dec 13, 1983·36 cites·6 claims
- 0577US4617226AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1984·Granted Oct 14, 1986·32 cites·12 claims
- 0677US4551386AMagnetic recording materialsFUJI PHOTO FILM CO LTD·Filed 1984·Granted Nov 5, 1985·19 cites·14 claims
- 0772US11098769B2Clutch mechanism and pistonHONDA MOTOR CO LTD·Filed 2018·Granted Aug 24, 2021·1 cites·8 claims
- 0871US10801596B2Power transmission deviceHONDA MOTOR CO LTD·Filed 2017·Granted Oct 13, 2020·1 cites·24 claims
- 0971US4544601AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1984·Granted Oct 1, 1985·22 cites·49 claims
- 1071US4425400AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1982·Granted Jan 10, 1984·25 cites·7 claims
- 1170US4546038AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1983·Granted Oct 8, 1985·21 cites·17 claims
- 1269US4171406AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1978·Granted Oct 16, 1979·13 cites·9 claims
- 1368US4626469AMagnetic recording materialFUJI PHOTO FILM CO LTD·Filed 1983·Granted Dec 2, 1986·20 cites·7 claims
- 1467US9239066B2Hydraulic controller of driving force distribution deviceSUGO YASUHIKO·Filed 2012·Granted Jan 19, 2016·5 cites·4 claims
- 1566US4448842AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1982·Granted May 15, 1984·18 cites·17 claims
- 1665US4202927AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1978·Granted May 13, 1980·12 cites·12 claims
- 1762US4579778AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1984·Granted Apr 1, 1986·10 cites·17 claims
- 1861US4427738AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1981·Granted Jan 24, 1984·10 cites·8 claims
- 1961US4132827AMagnetic recording substanceFUJI PHOTO FILM CO LTD·Filed 1977·Granted Jan 2, 1979·14 cites·9 claims
- 2058US4273797AMethod of detecting pinholes in a magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1979·Granted Jun 16, 1981·8 cites·6 claims
- 2156US10663014B2Hydraulic clutch deviceHONDA MOTOR CO LTD·Filed 2018·Granted May 26, 2020·0 cites·13 claims
- 2256US4499121AMethod of preparing a magnetic recording medium with a calendering treatmentFUJI PHOTO FILM CO LTD·Filed 1983·Granted Feb 12, 1985·8 cites·6 claims
- 2353US4497864AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1983·Granted Feb 5, 1985·11 cites·13 claims
- 2452US4619855AMagnetic recording medium with electron beam cured magnetic layerFUJI PHOTO FILM CO LTD·Filed 1983·Granted Oct 28, 1986·7 cites·14 claims
- 2552US4474848AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1982·Granted Oct 2, 1984·11 cites·5 claims
- 2648US4840842AAbrasive tapeFUJI PHOTO FILM CO LTD·Filed 1987·Granted Jun 20, 1989·10 cites·21 claims
- 2747US10890217B2Hydraulic clutch deviceHONDA MOTOR CO LTD·Filed 2018·Granted Jan 12, 2021·0 cites·12 claims
- 2846US10670088B2Hydraulic clutch deviceHONDA MOTOR CO LTD·Filed 2018·Granted Jun 2, 2020·0 cites·4 claims
- 2946US4728569AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1985·Granted Mar 1, 1988·6 cites·9 claims
- 3046US4649072AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1985·Granted Mar 10, 1987·6 cites·22 claims
- 3145US4734325AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1985·Granted Mar 29, 1988·6 cites·6 claims
- 3244US4752524AAbrasive tapeFUJI PHOTO FILM CO LTD·Filed 1986·Granted Jun 21, 1988·5 cites·1 claims
- 3344US4686139AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1985·Granted Aug 11, 1987·9 cites·8 claims
- 3443US4650720AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1984·Granted Mar 17, 1987·4 cites·14 claims
- 3541US4767644AMethod of making abrasive tapeFUJI PHOTO FILM CO LTD·Filed 1987·Granted Aug 30, 1988·7 cites·14 claims
- 3640US10731746B2Power transmission apparatusHONDA MOTOR CO LTD·Filed 2018·Granted Aug 4, 2020·0 cites·7 claims
- 3740US4663217AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1985·Granted May 5, 1987·4 cites·16 claims
- 3839US10731714B2Power transmission apparatusHONDA MOTOR CO LTD·Filed 2018·Granted Aug 4, 2020·0 cites·4 claims
- 3939US4187345AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1978·Granted Feb 5, 1980·3 cites·9 claims
- 4038US4356232AMethod for producing magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1981·Granted Oct 26, 1982·3 cites·6 claims
- 4137US10626926B2Power transmission apparatus and lubricating structure of power transmission apparatusHONDA MOTOR CO LTD·Filed 2018·Granted Apr 21, 2020·0 cites·8 claims
- 4237US4647503AMagnetic recording medium including magnetic layer with carbon black particles and a fatty acid esterFUJI PHOTO FILM CO LTD·Filed 1985·Granted Mar 3, 1987·3 cites·10 claims
- 4337US4601946AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1984·Granted Jul 22, 1986·5 cites·23 claims
- 4436US4444842AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1982·Granted Apr 24, 1984·2 cites·8 claims
- 4535US4411966AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1982·Granted Oct 25, 1983·4 cites·4 claims
- 4632US4756960AAbrasive tapeFUJI PHOTO FILM CO LTD·Filed 1986·Granted Jul 12, 1988·2 cites·3 claims
- 4731US4696858AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1985·Granted Sep 29, 1987·2 cites·5 claims
- 4830US4822672AAbasive tapeFUJI PHOTO FILM CO LTD·Filed 1987·Granted Apr 18, 1989·1 cites·6 claims
- 4930US4647501AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1985·Granted Mar 3, 1987·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →