Inventor · disambiguated record
Tatsuya Ishii
Also filed as: ISHII TATSUYA
150 granted patents·20 pending applications·2,510 citations·filing 1987–2025
99Inventor score
Files withISHII TATSUYA21SEIKO EPSON CORP20JAPAN DISPLAY INC16MITSUBISHI ELECTRIC CORP16HITACHI LTD14
Top patents by PatentIndex Score
170 records- 0198US7405979B2Nonvolatile memory system, semiconductor memory, and writing methodRENESAS TECH CORP·Filed 2007·Granted Jul 29, 2008·52 cites·4 claims
- 0298US7283399B2Nonvolatile memory system, semiconductor memory, and writing methodRENESAS TECH CORP·Filed 2006·Granted Oct 16, 2007·53 cites·18 claims
- 0398US7072222B2Nonvolatile memory system, semiconductor memory and writing methodHITACHI ULSI ENG CORP·Filed 2005·Granted Jul 4, 2006·58 cites·12 claims
- 0497US7145805B2Nonvolatile memory system, semiconductor memory, and writing methodHITACHI ULSI ENG CORP·Filed 2006·Granted Dec 5, 2006·55 cites·5 claims
- 0597US6873552B2Nonvolatile memory system, semiconductor memory, and writing methodRENESAS TECH CORP·Filed 2003·Granted Mar 29, 2005·79 cites·9 claims
- 0697US6683811B2Nonvolatile memory system, semiconductor memory, and writing methodHITACHI LTD·Filed 2003·Granted Jan 27, 2004·83 cites·8 claims
- 0797US6567311B2Nonvolatile memory system, semiconductor memory, and writing methodHITACHI LTD·Filed 2002·Granted May 20, 2003·81 cites·10 claims
- 0896US6452838B1Nonvolatile memory system, semiconductor memory and writing methodHITACHI LTD·Filed 2001·Granted Sep 17, 2002·62 cites·6 claims
- 0996US6392932B1Nonvolatile memory system, semiconductor memory, and writing methodFiled 2000·Granted May 21, 2002·67 cites·6 claims
- 1096US6385092B1Nonvolatile memory system, semiconductor memory, and writing methodHITACHI LTD·Filed 2001·Granted May 7, 2002·61 cites·15 claims
- 1196US6157573ANonvolatile memory system, semiconductor memory, and writing methodHITACHI LTD·Filed 1999·Granted Dec 5, 2000·90 cites·20 claims
- 1296US6023425ANonvolatile memory system, semiconductor memory, and writing methodHITACHI LTD·Filed 1999·Granted Feb 8, 2000·80 cites·5 claims
- 1396US5982668ANonvolatile memory system, semiconductor memory and writing methodHITACHI LTD·Filed 1998·Granted Nov 9, 1999·92 cites·22 claims
- 1496US5867428ANonvolatile memory system semiconductor memory and writing methodHITACHI LTD·Filed 1997·Granted Feb 2, 1999·98 cites·31 claims
- 1595US5493236ATest analysis apparatus and analysis method for semiconductor wafer using OBIC analysisMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Feb 20, 1996·334 cites·7 claims
- 1693US8004905B2Nonvolatile memory system, semiconductor memory and writing methodRENESAS ELECTRONICS CORP·Filed 2010·Granted Aug 23, 2011·10 cites·8 claims
- 1793US6788575B2Nonvolatile memoryRENESAS TECH CORP·Filed 2003·Granted Sep 7, 2004·44 cites·14 claims
- 1892US7759269B2Dielectric ceramic composition and electronic deviceTDK CORP·Filed 2008·Granted Jul 20, 2010·20 cites·14 claims
- 1992US6473321B2Semiconductor integrated circuit and nonvolatile semiconductor memoryHITACHI LTD·Filed 2001·Granted Oct 29, 2002·67 cites·23 claims
- 2091US7312624B2Substrate for electro-optical device, testing method thereof, electro-optical device and electronic apparatusSEIKO EPSON CORP·Filed 2005·Granted Dec 25, 2007·15 cites·7 claims
- 2191US7012845B2Nonvolatile memory with control circuit adapted to distinguish between command signal interface specifications and having an error correction functionRENESAS TECH CORP·Filed 2005·Granted Mar 14, 2006·16 cites·6 claims
- 2290US11465667B2Rack and pinion type steering gear unitNSK LTD·Filed 2019·Granted Oct 11, 2022·4 cites·9 claims
- 2390US7366034B2Nonvolatile memoryRENESAS TECH CORP·Filed 2007·Granted Apr 29, 2008·14 cites·6 claims
- 2488US5112771AMethod of fibricating a semiconductor device having a trenchMITSUBISHI ELECTRIC CORP·Filed 1989·Granted May 12, 1992·90 cites·6 claims
- 2587US8743384B2Image forming apparatus and communication control program productISHII TATSUYA·Filed 2011·Granted Jun 3, 2014·5 cites·8 claims
- 2687US6009016ANonvolatile memory system semiconductor memory and writing methodHITACHI LTD·Filed 1999·Granted Dec 28, 1999·71 cites·5 claims
- 2787US5359221ASemiconductor deviceHITACHI LTD·Filed 1993·Granted Oct 25, 1994·107 cites·25 claims
- 2885US11860561B2Image reading device and image forming apparatus incorporating the image reading deviceYAMAZAKI KIMIHARU·Filed 2022·Granted Jan 2, 2024·1 cites·19 claims
- 2985US5675172AMetal-insulator-semiconductor device having reduced threshold voltage and high mobility for high speed/low-voltage operationHITACHI LTD·Filed 1995·Granted Oct 7, 1997·85 cites·26 claims
- 3084US7175911B2Titanium dioxide fine particles and method for producing the same, and method for producing visible light activatable photocatalystTOSHIBA CERAMICS CO·Filed 2003·Granted Feb 13, 2007·41 cites·22 claims
- 3183US11967600B2Display deviceJAPAN DISPLAY INC·Filed 2022·Granted Apr 23, 2024·0 cites·7 claims
- 3282US9966190B2Dielectric ceramic composition and multilayer ceramic capacitorTDK CORP·Filed 2017·Granted May 8, 2018·2 cites·10 claims
- 3381US11563039B2Display deviceJAPAN DISPLAY INC·Filed 2022·Granted Jan 24, 2023·0 cites·7 claims
- 3481US10222916B2Device and method for self-capacitance touch sensingSYNAPTICS JAPAN GK·Filed 2017·Granted Mar 5, 2019·3 cites·18 claims
- 3581US6243313B1Semiconductor memory device, nonvolatile semiconductor memory device, and their data reading methodHITACHI LTD·Filed 2000·Granted Jun 5, 2001·27 cites·9 claims
- 3681US5389873APressure contact chip and wafer testing deviceMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Feb 14, 1995·53 cites·25 claims
- 3780US7804548B2Electro-optical device, method of driving the same, and electronic apparatusSEIKO EPSON CORP·Filed 2006·Granted Sep 28, 2010·6 cites·8 claims
- 3879US9195352B2Touch sensor panel controller and semiconductor deviceAKAI AKIHITO·Filed 2012·Granted Nov 24, 2015·9 cites·12 claims
- 3978US10059630B2Dielectric ceramic composition and multilayer ceramic capacitorTDK CORP·Filed 2017·Granted Aug 28, 2018·2 cites·20 claims
- 4078US7230859B2Nonvolatile memoryRENESAS TECH CORP·Filed 2006·Granted Jun 12, 2007·6 cites·7 claims
- 4178US5393998ASemiconductor memory device containing junction field effect transistorMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Feb 28, 1995·45 cites·8 claims
- 4278US5334540AOBIC observation method and apparatus thereforMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Aug 2, 1994·40 cites·13 claims
- 4376US11282870B2Display deviceJAPAN DISPLAY INC·Filed 2021·Granted Mar 22, 2022·0 cites·14 claims
- 4476US9250740B2Capacitive touch panel device with differing drive pulse widthsSYNAPTICS DISPLAY DEVICES GK·Filed 2013·Granted Feb 2, 2016·4 cites·13 claims
- 4576US7933158B2Nonvolatile memoryRENESAS ELECTRONICS CORP·Filed 2010·Granted Apr 26, 2011·2 cites·4 claims
- 4676US6868032B2Nonvolatile memoryRENESAS TECH CORP·Filed 2004·Granted Mar 15, 2005·12 cites·6 claims
- 4776US5243209ASemiconductor memory device including junction field effect transistor and capacitor and method of manufacturing the sameMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Sep 7, 1993·41 cites·14 claims
- 4876US2023345588A1Induction heating device, induction heating equipment, induction heating method, and heat treatment methodNETUREN CO LTD·Filed 2023·Application pending·0 cites
- 4975US8456798B2Hexagonal type barium titanate powder, producing method thereof, dielectric ceramic composition and electronic componentNATSUI HIDESADA·Filed 2010·Granted Jun 4, 2013·4 cites·6 claims
- 5075US8247818B2Electro-optical device and electronic apparatusISHII TATSUYA·Filed 2011·Granted Aug 21, 2012·4 cites·5 claims
Showing the top 50 of 170 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →