Inventor · disambiguated record
Yuji Yamaguchi
Also filed as: YAMAGUCHI YUJI
125 granted patents·24 pending applications·1,088 citations·filing 1976–2024
99Inventor score
Files withTOYOTA MOTOR CO LTD21NIPPON STEEL CORP20YANMAR HOLDINGS CO LTD18AISIN SEIKI11NIPPON STEEL & SUMITOMO METAL CORP8
Top patents by PatentIndex Score
149 records- 0198US5816210AStructure of an exhaust port in an internal combustion engineNISSAN DIESEL MOTOR CO·Filed 1997·Granted Oct 6, 1998·90 cites·14 claims
- 0296US11236412B2Steel sheet and plated steel sheetNIPPON STEEL CORP·Filed 2017·Granted Feb 1, 2022·9 cites·8 claims
- 0396US10889879B2Steel sheet and plated steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Jan 12, 2021·5 cites·8 claims
- 0495US11905570B2Hot dip galvanized steel sheet and method for producing sameNIPPON STEEL CORP·Filed 2020·Granted Feb 20, 2024·2 cites·1 claims
- 0595US11814708B2Hot dip galvanized steel sheet and method for producing sameNIPPON STEEL CORP·Filed 2020·Granted Nov 14, 2023·2 cites·2 claims
- 0695US8443649B2Mass flow controller verifying system, verifying method and verifying programYASUDA TADAHIRO·Filed 2010·Granted May 21, 2013·23 cites·4 claims
- 0794US9896751B2High strength steel sheet and high strength galvanized steel sheet excellent in shapeability and methods of production of sameKAWATA HIROYUKI·Filed 2012·Granted Feb 20, 2018·9 cites·12 claims
- 0894US6872893B2Wiring board provided with passive element and cone shaped bumpsDAINIPPON PRINTING CO LTD·Filed 2002·Granted Mar 29, 2005·59 cites·16 claims
- 0993US10953631B2Hot-dip galvanized steel sheetNIPPON STEEL CORP·Filed 2017·Granted Mar 23, 2021·4 cites·8 claims
- 1093US10393044B2Control device for engine and control method for engineTOYOTA MOTOR CO LTD·Filed 2017·Granted Aug 27, 2019·6 cites·5 claims
- 1192US8464025B2Signal processing apparatus with signal control units and processor units operating based on different threadsYAMAGUCHI YUJI·Filed 2006·Granted Jun 11, 2013·50 cites·18 claims
- 1292US5814169APneumatic tire including sipesBRIDGESTONE CORP·Filed 1996·Granted Sep 29, 1998·93 cites·4 claims
- 1391US9091380B2Fluid deviceHAYASHI TATSUYA·Filed 2010·Granted Jul 28, 2015·10 cites·5 claims
- 1490US11447848B2Steel sheet and manufacturing method of thereforNIPPON STEEL CORP·Filed 2018·Granted Sep 20, 2022·2 cites·10 claims
- 1590US11377710B2Steel sheet and manufacturing method thereforNIPPON STEEL CORP·Filed 2018·Granted Jul 5, 2022·2 cites·12 claims
- 1689US11332803B2High strength hot-dip galvanized steel sheet and production method thereforNIPPON STEEL CORP·Filed 2018·Granted May 17, 2022·2 cites·5 claims
- 1789US10704132B2High-strength hot-dip galvanized steel sheet excellent in impact peeling resistance and worked portion corrosion resistanceNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Jul 7, 2020·2 cites·8 claims
- 1889US5230934AFrosted containerTOYO SEIKAN KAISHA LTD·Filed 1991·Granted Jul 27, 1993·52 cites·10 claims
- 1989US2024182997A1Hot dip galvanized steel sheet and method for producing sameNIPPON STEEL CORP·Filed 2024·Application pending·0 cites
- 2088US8646307B2Mass flow controller verifying system, verifying method and verifying programHORIBA STEC CO LTD·Filed 2013·Granted Feb 11, 2014·7 cites·4 claims
- 2188US8019481B2Flow rate ratio control deviceHORIBA STEC CO LTD·Filed 2007·Granted Sep 13, 2011·25 cites·3 claims
- 2285US12159784B2Substrate processing apparatus and substrate processing methodSCREEN HOLDINGS CO LTD·Filed 2021·Granted Dec 3, 2024·2 cites·11 claims
- 2385US11035021B2High-strength steel sheet and high-strength galvanized steel sheetNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Jun 15, 2021·1 cites·8 claims
- 2485US7679925B2Method for fabricating wiring board provided with passive element, and wiring board provided with passive elementDAINIPPON PRINTING CO LTD·Filed 2006·Granted Mar 16, 2010·10 cites·2 claims
- 2584US8979137B2Coupling ringKIMURA MIYOSHI·Filed 2010·Granted Mar 17, 2015·11 cites·3 claims
- 2684US7100276B2Method for fabricating wiring board provided with passive elementD T CIRCUIT TECHNOLOGY CO LTD·Filed 2004·Granted Sep 5, 2006·28 cites·27 claims
- 2783US8926313B2Jig used for manufacturing composite material structure having thickened wall portion in transverse cross-sectionSANA TOSHIKAZU·Filed 2010·Granted Jan 6, 2015·10 cites·12 claims
- 2881US10119480B2Control apparatus for naturally aspirated gasoline engineTOYOTA MOTOR CO LTD·Filed 2017·Granted Nov 6, 2018·3 cites·2 claims
- 2980US10738384B2Surface-treated steel sheet for fuel tanksNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Aug 11, 2020·1 cites·14 claims
- 3080US9988700B2High-strength steel sheet and high-strength galvanized steel sheet excellent in shape fixability, and manufacturing method thereofMINAMI AKINOBU·Filed 2012·Granted Jun 5, 2018·3 cites·14 claims
- 3180US9624811B2Control device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2014·Granted Apr 18, 2017·4 cites·12 claims
- 3280US7242591B2Wiring board incorporating components and process for producing the sameDAINIPPON PRINTING CO LTD·Filed 2003·Granted Jul 10, 2007·21 cites·7 claims
- 3379US9951707B2Exhaust purification system of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2016·Granted Apr 24, 2018·2 cites·17 claims
- 3479US9719451B2Exhaust purification system of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2016·Granted Aug 1, 2017·2 cites·8 claims
- 3579US4123807ARetractable bidetAISIN SEIKI·Filed 1976·Granted Nov 7, 1978·31 cites·6 claims
- 3678US6408911B1Studless pneumatic tire including block-shaped island portions each having sipesBRIDGESTONE CORP·Filed 1996·Granted Jun 25, 2002·42 cites·5 claims
- 3777US8198244B2Regulation of skin characteristics by DICKKOPF1 (DKK1)HEARING VINCENT·Filed 2007·Granted Jun 12, 2012·4 cites·24 claims
- 3877US4987617ANozzle mechanism in a sanitary deviceAISIN SEIKI·Filed 1990·Granted Jan 29, 1991·28 cites·4 claims
- 3977US4772843ATime measuring apparatusYOKOGAWA ELECTRIC CORP·Filed 1987·Granted Sep 20, 1988·38 cites·2 claims
- 4076US7345888B2Component built-in wiring board and manufacturing method of component built-in wiring boardDAINIPPON PRINTING CO LTD·Filed 2007·Granted Mar 18, 2008·5 cites·2 claims
- 4175US10167791B2Control apparatus for naturally aspirated gasoline engineTOYOTA MOTOR CO LTD·Filed 2017·Granted Jan 1, 2019·2 cites·6 claims
- 4275US8232347B2Method of making oxygen-absorbing resin compositionISHIHARA TAKAYUKI·Filed 2010·Granted Jul 31, 2012·2 cites·5 claims
- 4375US6940512B2Image processing apparatus and method of sameSONY CORP·Filed 2003·Granted Sep 6, 2005·23 cites·79 claims
- 4475US5953765ASanitary device having commonly driven washing and drying devicesAISIN SEIKI·Filed 1997·Granted Sep 21, 1999·25 cites·12 claims
- 4573US9593635B2Control system of internal combustion engineNAKAGAWA NORIHISA·Filed 2013·Granted Mar 14, 2017·3 cites·18 claims
- 4673US8965714B2Diagnostic mechanismYAMAGUCHI YUJI·Filed 2011·Granted Feb 24, 2015·4 cites·13 claims
- 4772US9903297B2Control system of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2015·Granted Feb 27, 2018·1 cites·20 claims
- 4872US5765238AHuman private parts washing apparatusAISIN SEIKI·Filed 1993·Granted Jun 16, 1998·25 cites·4 claims
- 4970US10087864B2Control device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2015·Granted Oct 2, 2018·1 cites·9 claims
- 5070US9726101B2Exhaust purification system of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2016·Granted Aug 8, 2017·1 cites·22 claims
Showing the top 50 of 149 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →