Inventor · disambiguated record
Takayuki Ishii
Also filed as: ISHII TAKAYUKI
86 granted patents·16 pending applications·1,538 citations·filing 1985–2025
99Inventor score
Top patents by PatentIndex Score
102 records- 0195US5148302AOptical modulation element having two-dimensional phase type diffraction gratingNAGANO AKIHIKO·Filed 1991·Granted Sep 15, 1992·170 cites·29 claims
- 0295US5113204AInk jet headSEIKO EPSON CORP·Filed 1990·Granted May 12, 1992·134 cites·7 claims
- 0393US11377138B2Gear housing for electric power steering device, manufacturing method thereof, and electric power steering deviceNSK LTD·Filed 2018·Granted Jul 5, 2022·3 cites·8 claims
- 0491US7712402B2Adjustable slicerKYOCERA TYCOM CORP·Filed 2005·Granted May 11, 2010·26 cites·14 claims
- 0591US4878742ALiquid crystal optical modulatorCANON KK·Filed 1987·Granted Nov 7, 1989·84 cites·11 claims
- 0689US7775647B2Liquid container, head cartridge, ink jet printing apparatus, and stirring method for liquid containerCANON KK·Filed 2007·Granted Aug 17, 2010·9 cites·10 claims
- 0788US7137750B2Recording apparatusSEIKO EPSON CORP·Filed 2004·Granted Nov 21, 2006·22 cites·8 claims
- 0887US4850681AOptical modulation deviceCANON KK·Filed 1987·Granted Jul 25, 1989·71 cites·8 claims
- 0986US7712865B2Liquid ejection apparatus with a transporter surface including at least one hard porous memberSEIKO EPSON CORP·Filed 2008·Granted May 11, 2010·6 cites·6 claims
- 1086US6069393APhotoelectric converterCANON KK·Filed 1995·Granted May 30, 2000·84 cites·21 claims
- 1186US5880756AInk jet recording headSEIKO EPSON CORP·Filed 1994·Granted Mar 9, 1999·47 cites·6 claims
- 1284US7204653B2Recording apparatusSEIKO EPSON CORP·Filed 2005·Granted Apr 17, 2007·5 cites·9 claims
- 1384US6157421ALiquid crystal display and method of manufacturing the sameCANON KK·Filed 1995·Granted Dec 5, 2000·57 cites·14 claims
- 1483US7976896B2Method of processing a substrate and apparatus processing the sameTOKYO ELECTRON LTD·Filed 2006·Granted Jul 12, 2011·9 cites·13 claims
- 1583US7883193B2Liquid container, head cartridge, ink jet printing apparatus, and stirring method for liquid containerCANON KK·Filed 2010·Granted Feb 8, 2011·3 cites·14 claims
- 1682US9969420B2Position adjusting apparatus of steering wheelNSK LTD·Filed 2014·Granted May 15, 2018·9 cites·6 claims
- 1782US7971953B2Recording-medium-residual-quantity detecting device, recording apparatus, and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2008·Granted Jul 5, 2011·6 cites·5 claims
- 1882US7121747B2Drive controlling method for carriage and computer readable medium including drive controlling program, electronic apparatus, recording apparatus, and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2005·Granted Oct 17, 2006·6 cites·13 claims
- 1981US7390085B2Medium transporting device and recording apparatusSEIKO EPSON CORP·Filed 2004·Granted Jun 24, 2008·18 cites·20 claims
- 2081US6502929B1Laminated ink jet recording head having a plurality of actuator unitsSEIKO EPSON CORP·Filed 1994·Granted Jan 7, 2003·34 cites·24 claims
- 2180US9238245B2Coating apparatus and method for filling coating liquidTOKYO ELECTRON LTD·Filed 2013·Granted Jan 19, 2016·5 cites·10 claims
- 2280US6141217AEnclosed control deviceTOSHIBA KK·Filed 1998·Granted Oct 31, 2000·51 cites·8 claims
- 2380US5763413ALewis-associated compound, process for producing the same, and anti-inflammatoryKANTO ISHI PHARMA CO LTD·Filed 1994·Granted Jun 9, 1998·55 cites·6 claims
- 2479US8419180B2Fixed material transportation apparatus and liquid fixing apparatusISHII TAKAYUKI·Filed 2006·Granted Apr 16, 2013·5 cites·4 claims
- 2579USD535160SAdjustable slicerKYOCERA TYCOM CORP·Filed 2005·Granted Jan 16, 2007·25 cites·1 claims
- 2679US7144106B2Fixed material transportation apparatus and liquid fixing apparatus using the transportation apparatusSEIKO EPSON CORP·Filed 2002·Granted Dec 5, 2006·19 cites·15 claims
- 2777US9324569B2Plasma etching method and plasma etching apparatusTOKYO ELECTRON LTD·Filed 2014·Granted Apr 26, 2016·3 cites·4 claims
- 2877US5567956AInformation processing apparatus including a photoelectric conversion element having a semiconductor layer with a varying energy band gap widthCANON KK·Filed 1995·Granted Oct 22, 1996·52 cites·9 claims
- 2975US7093931B2Fixed material transportation apparatus, fixed material discharging apparatus, method for discharging the fixed material, and liquid fixing apparatusSEIKO EPSON CORP·Filed 2002·Granted Aug 22, 2006·13 cites·13 claims
- 3074US5672902AImage sensorCANON KK·Filed 1995·Granted Sep 30, 1997·41 cites·30 claims
- 3174US2024207882A1Film forming apparatus and method for manufacturing part having film containing siliconTOKYO ELECTRON LTD·Filed 2024·Application pending·0 cites
- 3273US7367668B2Fixed material transportation apparatus, fixed material discharging apparatus, method for discharging the fixed material, liquid fixing apparatusSEIKO EPSON CORP·Filed 2005·Granted May 6, 2008·3 cites·16 claims
- 3372US9349574B2Plasma etching method and plasma etching apparatusTOKYO ELECTRON LTD·Filed 2013·Granted May 24, 2016·2 cites·8 claims
- 3472US8765696B2Steroid compoundISHII TAKAYUKI·Filed 2010·Granted Jul 1, 2014·2 cites·10 claims
- 3572US7479190B2Coating treatment apparatus and coating treatment methodTOKYO ELECTRON LTD·Filed 2005·Granted Jan 20, 2009·4 cites·11 claims
- 3672US2025226190A1Stage and substrate processing apparatusTOKYO ELECTRON LTD·Filed 2025·Application pending·0 cites
- 3771US8634587B2Acoustic conversion deviceNAGUMO TSUTOMU·Filed 2011·Granted Jan 21, 2014·4 cites·7 claims
- 3871US7344224B2Carriage capable of shielding vibration transmission and recording apparatus and liquid ejection apparatus including the carriageSEIKO EPSON CORP·Filed 2005·Granted Mar 18, 2008·3 cites·12 claims
- 3971US6984044B2Projection optical system, projection type image display apparatus, and image display systemCANON KK·Filed 2003·Granted Jan 10, 2006·13 cites·16 claims
- 4070US11919032B2Film forming apparatus and method for manufacturing part having film containing siliconTOKYO ELECTRON LTD·Filed 2021·Granted Mar 5, 2024·0 cites·25 claims
- 4170US6951395B2Projection optical system, projection type image display apparatus, and image display systemCANON KK·Filed 2003·Granted Oct 4, 2005·9 cites·19 claims
- 4270US6206501B1Ink jet recording headSEIKO EPSON CORP·Filed 1998·Granted Mar 27, 2001·23 cites·14 claims
- 4370US5945404A21-Substituted steroid compoundNISSIN FOOD PRODUCTS LTD·Filed 1997·Granted Aug 31, 1999·30 cites·21 claims
- 4470US5705411AReactive ion etching to physically etch thin film semiconductorCANON KK·Filed 1995·Granted Jan 6, 1998·25 cites·7 claims
- 4568US12288676B2Stage and substrate processing apparatusTOKYO ELECTRON LTD·Filed 2021·Granted Apr 29, 2025·0 cites·8 claims
- 4668US6031514AMethod for driving liquid crystal display deviceCANON KK·Filed 1997·Granted Feb 29, 2000·29 cites·1 claims
- 4768US4857751APhotoelectric conversion apparatus with separating electrodesCANON KK·Filed 1988·Granted Aug 15, 1989·21 cites·1 claims
- 4867US6683591B2Method for driving liquid crystal display deviceCANON KK·Filed 1999·Granted Jan 27, 2004·27 cites·8 claims
- 4964US6554409B2Ink-jet recording headSEIKO EPSON CORP·Filed 2000·Granted Apr 29, 2003·9 cites·16 claims
- 5062US7530687B2Medium transporting device for recording apparatus with suction chambersSEIKO EPSON CORP·Filed 2004·Granted May 12, 2009·8 cites·3 claims
Showing the top 50 of 102 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →