Inventor · disambiguated record
Yuji Maruyama
Also filed as: MARUYAMA YUJI
33 granted patents·3 pending applications·436 citations·filing 1978–2023
97Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD12MARUYAMA YUJI5WEST ELECTRIC CO5NIDEC SANKYO CORP4MITSUBOSHI BELTING LTD3
Top patents by PatentIndex Score
36 records- 0193US10291084B2Stator and manufacturing method thereforNIDEC SANKYO CORP·Filed 2017·Granted May 14, 2019·10 cites·9 claims
- 0284US10148143B2Motor and method for manufacturing motorNIDEC SANKYO CORP·Filed 2016·Granted Dec 4, 2018·4 cites·11 claims
- 0384US4924322ABi-level image display signal processing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted May 8, 1990·49 cites·16 claims
- 0480US11805949B2Toilet deviceTOTO LTD·Filed 2022·Granted Nov 7, 2023·1 cites·4 claims
- 0578US4223386AMethod and apparatus for assembling tire with disc wheelBRIDGESTONE TIRE CO LTD·Filed 1979·Granted Sep 16, 1980·31 cites·2 claims
- 0676US4441797AElectronic flash device capable of automatically controlling the quantity of a flash of lightWEST ELECTRIC CO·Filed 1982·Granted Apr 10, 1984·13 cites·4 claims
- 0774US11668371B2V-ribbed belt and use thereofMITSUBOSHI BELTING LTD·Filed 2017·Granted Jun 6, 2023·2 cites·9 claims
- 0872US5200799ASystem for optically inspecting conditions of parts packaged on substrateMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Apr 6, 1993·38 cites·1 claims
- 0971US5608816AApparatus for inspecting a wiring pattern according to a micro-inspection and a macro-inspection performed in parallelMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Mar 4, 1997·44 cites·24 claims
- 1069US5103105AApparatus for inspecting solder portion of a circuit boardMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Apr 7, 1992·30 cites·9 claims
- 1168US5214712APattern inspection system for inspecting defect of land pattern for through-hole on printed boardMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted May 25, 1993·38 cites·4 claims
- 1267US10848018B2Stator, motor and pump deviceNIDEC SANKYO CORP·Filed 2016·Granted Nov 24, 2020·1 cites·19 claims
- 1365US9739350B2Belt installation jig and a belt installation method using sameMARUYAMA YUJI·Filed 2010·Granted Aug 22, 2017·3 cites·36 claims
- 1461US4890167AApparatus for processing image signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Dec 26, 1989·20 cites·13 claims
- 1561US2025093767A1Pellicle, exposure master, exposure device, pellicle production method and test method for mask adhesive layerMITSUI CHEMICALS INC·Filed 2023·Application pending·0 cites
- 1656US11906016B2V-ribbed belt and application thereofMITSUBOSHI BELTING LTD·Filed 2019·Granted Feb 20, 2024·0 cites·12 claims
- 1756US10133939B2Image processing apparatusFUJITSU TEN LTD·Filed 2016·Granted Nov 20, 2018·1 cites·8 claims
- 1856US4983827ALinescan apparatus for detecting salient pattern of a productMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Jan 8, 1991·15 cites·9 claims
- 1956US4891710ABi-level image display signal processing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Jan 2, 1990·14 cites·11 claims
- 2055US5272763AApparatus for inspecting wiring pattern formed on a boardMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Dec 21, 1993·32 cites·2 claims
- 2154US4616120AMicrowave-heating apparatus having means for measuring reflection coefficient under low power operationMARUYAMA YUJI·Filed 1985·Granted Oct 7, 1986·16 cites·4 claims
- 2253US4603958AAutomatic electronic flashWEST ELECTRIC CO·Filed 1984·Granted Aug 5, 1986·5 cites·8 claims
- 2352US11950732B2Toilet deviceTOTO LTD·Filed 2022·Granted Apr 9, 2024·0 cites·3 claims
- 2452US4697906AElectric flash deviceWEST ELECTRIC CO·Filed 1986·Granted Oct 6, 1987·12 cites·11 claims
- 2550US9811134B2Electronic device, power source device, and power control method of electronic deviceFUJITSU LTD·Filed 2014·Granted Nov 7, 2017·0 cites·16 claims
- 2650US4469990AElectronic flash deviceWEST ELECTRIC CO·Filed 1982·Granted Sep 4, 1984·11 cites·4 claims
- 2750US2025035513A1Calculation Control Method for Predicted Value of Jumping Torque of Toothed BeltMITSUBOSHI BELTING LTD·Filed 2022·Application pending·0 cites
- 2848US10518487B2Artificial defect material and manufacturing method of FRP structureMITSUBISHI HEAVY IND LTD·Filed 2015·Granted Dec 31, 2019·0 cites·15 claims
- 2947US5027418AElectro-optical inspection apparatus for printed-circuit boards with components mounted thereonMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Jun 25, 1991·19 cites·10 claims
- 3044US2019063812A1Ice making deviceNIDEC SANKYO CORP·Filed 2018·Application pending·0 cites
- 3143US5787191AWiring pattern inspection apparatus for printed circuit boardMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Jul 28, 1998·10 cites·1 claims
- 3241US8159250B2Testing device for testing a semiconductor deviceMARUYAMA YUJI·Filed 2009·Granted Apr 17, 2012·0 cites·6 claims
- 3332US5459795AWiring pattern inspection apparatus for printed circuit boardMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Oct 17, 1995·4 cites·1 claims
- 3430US8648617B2Semiconductor device and method of testing semiconductor deviceMARUYAMA YUJI·Filed 2011·Granted Feb 11, 2014·0 cites·13 claims
- 3530US4660572AContainer, for fixing an animal to be tested in a biochemical testMARUYAMA YUJI·Filed 1985·Granted Apr 28, 1987·13 cites·5 claims
- 3630US4186328AElectronic flashWEST ELECTRIC CO·Filed 1978·Granted Jan 29, 1980·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →