Inventor · disambiguated record
Yasushi Yamazaki
Also filed as: YAMAZAKI YASUSHI
72 granted patents·18 pending applications·927 citations·filing 1990–2025
99Inventor score
Top patents by PatentIndex Score
90 records- 0196US7852440B2Liquid crystal display deviceSONY CORP·Filed 2007·Granted Dec 14, 2010·35 cites·17 claims
- 0295US11766864B2Liquid ejecting head, liquid ejecting apparatus, and actuatorSEIKO EPSON CORP·Filed 2021·Granted Sep 26, 2023·2 cites·16 claims
- 0393US6583830B2Electrooptical device, projection-type display apparatus, and method for manufacturing the electrooptical deviceSEIKO EPSON CORP·Filed 2001·Granted Jun 24, 2003·44 cites·19 claims
- 0491US8497562B2Solid-state image pickup deviceISHIDA YUKIMASA·Filed 2011·Granted Jul 30, 2013·9 cites·10 claims
- 0591US7456469B2Semiconductor device having cell transistor with recess channel structureELPIDA MEMORY INC·Filed 2006·Granted Nov 25, 2008·18 cites·15 claims
- 0690US8947763B2Electrophoretic material, electrophoresis display device, and electronic apparatusSEIKO EPSON CORP·Filed 2013·Granted Feb 3, 2015·5 cites·20 claims
- 0790US6628367B2Method for manufacturing electrooptical device, and electrooptical deviceSEIKO EPSON CORP·Filed 2001·Granted Sep 30, 2003·44 cites·17 claims
- 0889US6573533B1Semiconductor device, semiconductor gate array, electro-optical device, and electronic equipmentSEIKO EPSON CORP·Filed 2000·Granted Jun 3, 2003·44 cites·20 claims
- 0988US7187425B2Pixel structure, electro-optical apparatus, and electronic instrumentSEIKO EPSON CORP·Filed 2004·Granted Mar 6, 2007·33 cites·8 claims
- 1088US6768535B2Electrooptical device, projection-type display apparatus, and method for manufacturing the electrooptical deviceSEIKO EPSON CORP·Filed 2003·Granted Jul 27, 2004·28 cites·5 claims
- 1187US6522753B1Active noise control method and receiver deviceFUJITSU LTD·Filed 1999·Granted Feb 18, 2003·71 cites·15 claims
- 1286US7928941B2Electro-optical device, driving circuit and electronic apparatusSONY CORP·Filed 2007·Granted Apr 19, 2011·7 cites·11 claims
- 1386US7759627B2Display deviceSONY CORP·Filed 2008·Granted Jul 20, 2010·10 cites·7 claims
- 1486US7465637B2Method for manufacturing semiconductor deviceELPIDA MEMORY INC·Filed 2006·Granted Dec 16, 2008·13 cites·19 claims
- 1586US6768522B2Electrooptical device, prejection-type display apparatus, and method for manufacturing the electrooptical deviceSEIKO EPSON CORP·Filed 2003·Granted Jul 27, 2004·22 cites·16 claims
- 1683US7659571B2Semiconductor device and method for manufacturing the sameELPIDA MEMORY INC·Filed 2006·Granted Feb 9, 2010·10 cites·8 claims
- 1782US12023929B2Liquid ejecting head, liquid ejecting apparatus, and actuatorSEIKO EPSON CORP·Filed 2023·Granted Jul 2, 2024·0 cites·13 claims
- 1880US8669933B2Liquid crystal display, electronic device, and method for controlling brightness of illumination unit of liquid crystal displayKUNIMORI TAKASHI·Filed 2008·Granted Mar 11, 2014·5 cites·3 claims
- 1979US8441014B2Electro-optical device substrate, electro-optical device, and electronic apparatusYAMAZAKI YASUSHI·Filed 2011·Granted May 14, 2013·6 cites·20 claims
- 2079US6852653B2Method of manufacturing semiconductor substrate, semiconductor substrate, electro-optical apparatus and electronic equipmentSEIKO EPSON CORP·Filed 2001·Granted Feb 8, 2005·24 cites·5 claims
- 2177US6770555B2Process for fabricating semiconductor integrated circuit device having polycide line and impurity region respectively exposed to contact holes different in depthNEC CORP·Filed 1999·Granted Aug 3, 2004·49 cites·40 claims
- 2277US5547888AMethod for manufacturing a SRAM cell having asymmetrical LDD type MIS deviceNEC CORP·Filed 1994·Granted Aug 20, 1996·36 cites·3 claims
- 2377US2025367930A1Liquid Ejection Head And Liquid Ejection DeviceSEIKO EPSON CORP·Filed 2025·Application pending·0 cites
- 2476US7880495B2Display device and test probe for testing display deviceSONY CORP·Filed 2009·Granted Feb 1, 2011·3 cites·11 claims
- 2575US7589305B2Display device having switching elements corresponding to individual pixels and dual ambient light photosensing unitEPSON IMAGING DEVICES CORP·Filed 2008·Granted Sep 15, 2009·6 cites·5 claims
- 2675US5474948AMethod of making semiconductor device having polysilicon resistance elementNEC CORP·Filed 1992·Granted Dec 12, 1995·39 cites·2 claims
- 2774US6573575B1DRAM MOS field effect transistors with thresholds determined by differential gate dopingNEC ELECTRONICS CORP·Filed 2000·Granted Jun 3, 2003·14 cites·4 claims
- 2873US7379139B2Liquid crystal display and electro-optical devices with a function elementSEIKO EPSON CORP·Filed 2002·Granted May 27, 2008·14 cites·2 claims
- 2971US6791648B2Liquid crystal device, projection display device and, manufacturing method for substrate for liquid crystal deviceSEIKO EPSON CORP·Filed 2002·Granted Sep 14, 2004·10 cites·13 claims
- 3071US6781655B2Active-matrix liquid crystal display with line/column inversion drives, and associated electronic deviceSEIKO EPSON CORP·Filed 2002·Granted Aug 24, 2004·12 cites·27 claims
- 3171US5607869AMethod for manufacturing asymmetrical LDD type MIS deviceNEC CORP·Filed 1996·Granted Mar 4, 1997·27 cites·9 claims
- 3269US7956313B2Solid-state image pickup deviceEPSON IMAGING DEVICES CORP·Filed 2009·Granted Jun 7, 2011·2 cites·8 claims
- 3369US7863705B2Semiconductor device having a bonding pad structure including an annular contactELPIDA MEMORY INC·Filed 2005·Granted Jan 4, 2011·4 cites·14 claims
- 3469US7454345B2Word or collocation emphasizing voice synthesizerFUJITSU LTD·Filed 2005·Granted Nov 18, 2008·6 cites·13 claims
- 3568US8503066B2Electrophoretic display device, method of manufacturing the same, and electronic apparatusSHITAGAMI KOZO·Filed 2011·Granted Aug 6, 2013·1 cites·5 claims
- 3667US8957466B2Semiconductor deviceNAKAMURA YOSHITAKA·Filed 2011·Granted Feb 17, 2015·2 cites·19 claims
- 3767US6940138B2Semiconductor device, semiconductor gate array, electro-optical device, and electronic equipmentSEIKO EPSON CORP·Filed 2002·Granted Sep 6, 2005·11 cites·24 claims
- 3865US8217927B2Display unitKUNIMORI TAKASHI·Filed 2008·Granted Jul 10, 2012·1 cites·19 claims
- 3965US5895963ASemiconductor device having opening portion for fuse breakageNEC CORP·Filed 1998·Granted Apr 20, 1999·30 cites·13 claims
- 4065US5352916AFully CMOS-type SRAM device with grounding wire having contact holesNEC CORP·Filed 1992·Granted Oct 4, 1994·24 cites·2 claims
- 4164US9494842B2Electrophoretic material, electrophoresis display device, and electronic apparatusSEIKO EPSON CORP·Filed 2014·Granted Nov 15, 2016·0 cites·13 claims
- 4264US6667517B1Electrooptical device and electronic deviceSEIKO EPSON CORP·Filed 2000·Granted Dec 23, 2003·11 cites·14 claims
- 4362US11858270B2Liquid ejection head, liquid ejection apparatus, piezoelectric device, and method for manufacturing piezoelectric deviceSEIKO EPSON CORP·Filed 2021·Granted Jan 2, 2024·0 cites·21 claims
- 4462US7741180B2Method of manufacturing semiconductor device with recess gate transistorELPIDA MEMORY INC·Filed 2008·Granted Jun 22, 2010·2 cites·19 claims
- 4561US6704415B1Echo cancelerFUJITSU LTD·Filed 1999·Granted Mar 9, 2004·35 cites·19 claims
- 4660US12466184B2Liquid ejecting head, liquid ejecting apparatus, and piezoelectric deviceSEIKO EPSON CORP·Filed 2023·Granted Nov 11, 2025·0 cites·16 claims
- 4760US7203326B2Noise suppressing apparatusFUJITSU LTD·Filed 2002·Granted Apr 10, 2007·8 cites·4 claims
- 4860US2009267121A1Solid-state image pickup deviceEPSON IMAGING DEVICES CORP·Filed 2009·Application pending·0 cites
- 4959US7254537B2Speech input deviceFUJITSU LTD·Filed 2002·Granted Aug 7, 2007·7 cites·19 claims
- 5058US5091768ASemiconductor device having a funnel shaped inter-level connectionNEC CORP·Filed 1990·Granted Feb 25, 1992·27 cites·7 claims
Showing the top 50 of 90 patent records by PatentIndex Score.
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