Inventor · disambiguated record
Yasuyuki Yamada
Also filed as: KITAMOTO TATSUJI · YAMADA YASUYUKI
153 granted patents·22 pending applications·1,982 citations·filing 1973–2025
99Inventor score
Files withFUJI PHOTO FILM CO LTD51CANON KK31SEKISUI CHEMICAL CO LTD17MITSUI TOATSU CHEMICALS11YAMADA YASUYUKI10
Top patents by PatentIndex Score
175 records- 0196US11315997B2Display device using a flexible substrate with alignment marks for foldingJAPAN DISPLAY INC·Filed 2020·Granted Apr 26, 2022·4 cites·17 claims
- 0295US11641764B2Display device using a flexible substrate with alignment marks for foldingJAPAN DISPLAY INC·Filed 2022·Granted May 2, 2023·2 cites·14 claims
- 0395US4260466AMethod of producing magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1977·Granted Apr 7, 1981·46 cites·19 claims
- 0494US3993824ARecording member comprising a substrate with a magnetic lager on one surface and a lubricating lager on the opposed surfaceFUJI PHOTO FILM CO LTD·Filed 1975·Granted Nov 23, 1976·44 cites·10 claims
- 0593US10541539B1Converter, inverter, AC motor driving apparatus, and air conditioner using the sameSAMSUNG ELECTRONICS CO LTD·Filed 2015·Granted Jan 21, 2020·16 cites·18 claims
- 0693US4439486AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1982·Granted Mar 27, 1984·41 cites·14 claims
- 0791US10177702B2Conduction noise filtering circuit, inverting device, and compressorSAMSUNG ELECTRONICS CO LTD·Filed 2016·Granted Jan 8, 2019·6 cites·12 claims
- 0891US4808503AElectrophotographic receptors with charge generating azo-substituted tetraphenyl-thiophene or thiophene 1,1-dioxideMITSUI TOATSU CHEMICALS·Filed 1987·Granted Feb 28, 1989·36 cites·16 claims
- 0991US4251843ADisc jacket for retaining magnetic recording discFUJI PHOTO FILM CO LTD·Filed 1979·Granted Feb 17, 1981·33 cites·3 claims
- 1091US4106067AMagnetic head cleaning jacketFUJI PHOTO FILM CO LTD·Filed 1976·Granted Aug 8, 1978·35 cites·5 claims
- 1190US11644717B2Dimming laminate and resin spacer for dimming laminateSEKISUI CHEMICAL CO LTD·Filed 2019·Granted May 9, 2023·2 cites·10 claims
- 1290US7935368B2Safe and stable edible material having reinforced concrete-like structureYAMADA YASUYUKI·Filed 2008·Granted May 3, 2011·6 cites·18 claims
- 1390US4842395AFinder of variable magnificationCANON KK·Filed 1988·Granted Jun 27, 1989·69 cites·21 claims
- 1490US4784914AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1986·Granted Nov 15, 1988·58 cites·8 claims
- 1589US6811581B2High-speed tool steel gear cutting tool and manufacturing method thereforMITSUBISHI MAT KOBE TOOLS CORP·Filed 2001·Granted Nov 2, 2004·21 cites·2 claims
- 1689US5580653AHard coating having excellent wear resistance properties, and hard coating coated memberKOBE STEEL LTD·Filed 1995·Granted Dec 3, 1996·78 cites·5 claims
- 1788US4076890AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1973·Granted Feb 28, 1978·46 cites·8 claims
- 1887US7768291B2Display deviceHITACHI DISPLAYS LTD·Filed 2007·Granted Aug 3, 2010·9 cites·17 claims
- 1986US8363199B2Liquid crystal display deviceHITACHI DISPLAYS LTD·Filed 2009·Granted Jan 29, 2013·18 cites·13 claims
- 2086US6575784B1Connector for a shielded wireYAZAKI CORP·Filed 2000·Granted Jun 10, 2003·39 cites·7 claims
- 2185US4937195ATissue culture of lichensNIPPON PAINT CO LTD·Filed 1986·Granted Jun 26, 1990·3 cites·3 claims
- 2285US4588656AMethod of preparing a magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1982·Granted May 13, 1986·25 cites·14 claims
- 2385US4368237AProcess for producing magnetic recording deviceFUJI PHOTO FILM CO LTD·Filed 1979·Granted Jan 11, 1983·42 cites·20 claims
- 2483US8259247B2Liquid crystal display deviceSUGIYAMA SAORI·Filed 2009·Granted Sep 4, 2012·10 cites·19 claims
- 2583US5656383ACoated member having excellent hardness and, adhesive propertiesKOBE STEEL LTD·Filed 1995·Granted Aug 12, 1997·52 cites·11 claims
- 2683US4784907AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1986·Granted Nov 15, 1988·41 cites·7 claims
- 2783US4571364AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1984·Granted Feb 18, 1986·34 cites·20 claims
- 2883US4015030AProcess for stabilization of ferromagnetic material and magnetic recording memberFUJI PHOTO FILM CO LTD·Filed 1975·Granted Mar 29, 1977·21 cites·9 claims
- 2982US4343831AProcess for producing magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1981·Granted Aug 10, 1982·22 cites·9 claims
- 3082US4183976AProcess of producing a magnetic recording elementFUJI PHOTO FILM CO LTD·Filed 1978·Granted Jan 15, 1980·21 cites·7 claims
- 3181US9132557B2Load-compensation deviceYAMADA YASUYUKI·Filed 2010·Granted Sep 15, 2015·7 cites·4 claims
- 3281US5882778AHard coating of excellent wear resistance and hard coating coated member thereofKOBE STEEL LTD·Filed 1997·Granted Mar 16, 1999·55 cites·16 claims
- 3381US4842781AColored polarizing film and method of making sameMITSUI TOATSU CHEMICALS·Filed 1988·Granted Jun 27, 1989·49 cites·3 claims
- 3481US4407901AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1981·Granted Oct 4, 1983·36 cites·10 claims
- 3580US7525038B2Effect systemROLAND CORP·Filed 2007·Granted Apr 28, 2009·12 cites·22 claims
- 3680US4089993AMethod of forming a metallic thin film by electroless plating on a vinylidene chloride undercoatFUJI PHOTO FILM CO LTD·Filed 1976·Granted May 16, 1978·26 cites·12 claims
- 3780US2024361639A1Dimming laminate and resin spacer for dimming laminateSEKISUI CHEMICAL CO LTD·Filed 2024·Application pending·0 cites
- 3879US12072583B2Dimming laminate and resin spacer for dimming laminateSEKISUI CHEMICAL CO LTD·Filed 2023·Granted Aug 27, 2024·0 cites·9 claims
- 3977US12446392B2Photovoltaic cell deviceJAPAN DISPLAY INC·Filed 2023·Granted Oct 14, 2025·0 cites·7 claims
- 4077US11027374B2Particles, connecting material and connection structureSEKISUI CHEMICAL CO LTD·Filed 2016·Granted Jun 8, 2021·1 cites·6 claims
- 4177US7796226B2Liquid crystal display deviceIPS ALPHA TECHNOLOGY LTD·Filed 2008·Granted Sep 14, 2010·5 cites·46 claims
- 4277US4555355AComposition for liquid crystal color displayMITSUI TOATSU CHEMICALS·Filed 1983·Granted Nov 26, 1985·10 cites·7 claims
- 4376US4414271AMagnetic recording medium and method of preparation thereofFUJI PHOTO FILM CO LTD·Filed 1982·Granted Nov 8, 1983·17 cites·21 claims
- 4475US7999777B2Liquid crystal display deviceHITACHI DISPLAYS LTD·Filed 2008·Granted Aug 16, 2011·4 cites·41 claims
- 4574US11088614B2Conductive noise suppressor, power converter, and motor deviceSAMSUNG ELECTRONICS CO LTD·Filed 2018·Granted Aug 10, 2021·3 cites·14 claims
- 4674US4757336AView finder of variable magnificationCANON KK·Filed 1986·Granted Jul 12, 1988·32 cites·7 claims
- 4774US4391851AProcess for producing a magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1982·Granted Jul 5, 1983·16 cites·21 claims
- 4873US10975973B2Tube unit and transport apparatusSOLARIS INC·Filed 2017·Granted Apr 13, 2021·4 cites·15 claims
- 4973US8878428B2Display device that prevents warpage of polarizerJAPAN DISPLAY INC·Filed 2013·Granted Nov 4, 2014·2 cites·13 claims
- 5073US4333988AMagnetic recording mediaFUJI PHOTO FILM CO LTD·Filed 1979·Granted Jun 8, 1982·14 cites·24 claims
Showing the top 50 of 175 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →