Inventor · disambiguated record
Koji Ichikawa
Also filed as: ICHIKAWA KOJI
250 granted patents·63 pending applications·1,167 citations·filing 1979–2025
99Inventor score
Files withSUMITOMO CHEMICAL CO150ICHIKAWA KOJI62FUJI PHOTO FILM CO LTD16TOYOTA MOTOR CO LTD13STANLEY ELECTRIC CO LTD11
Top patents by PatentIndex Score
313 records- 0196US11899363B2Salt, acid generator, resist composition and method for producing resist patternSUMITOMO CHEMICAL CO·Filed 2021·Granted Feb 13, 2024·3 cites·18 claims
- 0296US9563123B2Photoresist composition, compound and process of producing photoresist patternSUMITOMO CHEMICAL CO·Filed 2015·Granted Feb 7, 2017·15 cites·5 claims
- 0396US9448475B2Photoresist composition, compound and process of producing photoresist patternSUMITOMO CHEMICAL CO·Filed 2015·Granted Sep 20, 2016·14 cites·4 claims
- 0496US8431325B2Compound, resin, resist composition and method for producing resist patternHASHIMOTO KAZUHIKO·Filed 2010·Granted Apr 30, 2013·23 cites·10 claims
- 0596US8318403B2Salt and photoresist composition containing the sameICHIKAWA KOJI·Filed 2010·Granted Nov 27, 2012·17 cites·10 claims
- 0696US8236842B2Salt and process for producing acid generatorYOSHIDA ISAO·Filed 2011·Granted Aug 7, 2012·22 cites·11 claims
- 0796US7300184B2Planar light source device and display device using the sameMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Nov 27, 2007·71 cites·15 claims
- 0895US9176379B2Resist composition and method for producing resist patternICHIKAWA KOJI·Filed 2012·Granted Nov 3, 2015·13 cites·4 claims
- 0995US6619166B2Printing apparatus with cutter and image printing and cutting methodFUJI PHOTO FILM CO LTD·Filed 2000·Granted Sep 16, 2003·36 cites·23 claims
- 1094US12222648B2Salt, acid generator, resist composition and method for producing resist patternSUMITOMO CHEMICAL CO·Filed 2021·Granted Feb 11, 2025·2 cites·13 claims
- 1193US8367298B2Salt and photoresist composition containing the sameSUMITOMO CHEMICAL CO·Filed 2010·Granted Feb 5, 2013·11 cites·10 claims
- 1293US8354217B2Salt and photoresist composition containing the sameSUMITOMO CHEMICAL CO·Filed 2010·Granted Jan 15, 2013·10 cites·10 claims
- 1392US11820736B2Salt, acid generator, resist composition and method for producing resist patternSUMITOMO CHEMICAL CO·Filed 2022·Granted Nov 21, 2023·1 cites·18 claims
- 1492US11802531B2Hybrid electric vehicleTOYOTA MOTOR CO LTD·Filed 2022·Granted Oct 31, 2023·2 cites·15 claims
- 1592US11467490B2Salt, acid generator, resist composition and method for producing resist patternSUMITOMO CHEMICAL CO·Filed 2021·Granted Oct 11, 2022·2 cites·12 claims
- 1692US8802352B2Salt, photoresist composition and method for producing photoresist patternICHIKAWA KOJI·Filed 2012·Granted Aug 12, 2014·7 cites·6 claims
- 1790US8852846B2Salt and photoresist composition comprising the sameANRYU YUKAKO·Filed 2012·Granted Oct 7, 2014·8 cites·10 claims
- 1890US7750950B2Image pickup apparatus and image processing methodFUJIFILM CORP·Filed 2006·Granted Jul 6, 2010·12 cites·7 claims
- 1989US7508421B2Image pickup apparatus and image processing methodFUJIFILM CORP·Filed 2003·Granted Mar 24, 2009·34 cites·18 claims
- 2088US9063414B2Photoresist compositionICHIKAWA KOJI·Filed 2011·Granted Jun 23, 2015·6 cites·3 claims
- 2188US8906589B2Salt and photoresist composition comprising the sameICHIKAWA KOJI·Filed 2011·Granted Dec 9, 2014·5 cites·9 claims
- 2288US8431326B2Salt and photoresist composition comprising the sameICHIKAWA KOJI·Filed 2011·Granted Apr 30, 2013·6 cites·8 claims
- 2388US7630107B2Printer system and image processing system having image correcting functionFUJIFILM CORP·Filed 2005·Granted Dec 8, 2009·9 cites·6 claims
- 2487US8889333B2Salt, photoresist composition, and method for producing photoresist patternICHIKAWA KOJI·Filed 2012·Granted Nov 18, 2014·4 cites·8 claims
- 2587US8420294B2Salt and photoresist composition comprising the sameICHIKAWA KOJI·Filed 2011·Granted Apr 16, 2013·5 cites·8 claims
- 2687US7385681B2Gas leakage monitoring method and its systemSHIKOKU RESEARCH INST INC·Filed 2004·Granted Jun 10, 2008·56 cites·18 claims
- 2786US7148925B2Solid-state honeycomb type image pickup apparatus using a complementary color filter and signal processing method thereforFUJI PHOTO FILM CO LTD·Filed 2001·Granted Dec 12, 2006·29 cites·72 claims
- 2886US6961086B1Photographing apparatus for correcting white balance of an image signal and a color correction coefficient of image dataFUJI PHOTO FILM CO LTD·Filed 2000·Granted Nov 1, 2005·30 cites·11 claims
- 2986US6850271B1Photographic apparatusFUJI PHOTO FILM CO LTD·Filed 2000·Granted Feb 1, 2005·32 cites·17 claims
- 3085US9375434B2Antitumor effect potentiator composed of imidazooxazine compoundTAIHO PHARMACEUTICAL CO LTD·Filed 2013·Granted Jun 28, 2016·4 cites·12 claims
- 3184US8563218B2Resist composition and method for producing resist patternICHIKAWA KOJI·Filed 2012·Granted Oct 22, 2013·4 cites·6 claims
- 3283US11550219B2Salt, quencher, resist composition and method for producing resist pattern, and method for producing saltSUMITOMO CHEMICAL CO·Filed 2020·Granted Jan 10, 2023·1 cites·9 claims
- 3383US9563125B2Resist composition and method for producing resist patternSUMITOMO CHEMICAL CO·Filed 2015·Granted Feb 7, 2017·4 cites·7 claims
- 3483US8288077B2Chemically amplified resist composition and salt employed thereinICHIKAWA KOJI·Filed 2010·Granted Oct 16, 2012·3 cites·9 claims
- 3583US6656660B1Resist compositionSUMITOMO CHEMICAL CO·Filed 2000·Granted Dec 2, 2003·56 cites·2 claims
- 3682US12105419B2Salt, quencher, resist composition and method for producing resist patternSUMITOMO CHEMICAL CO·Filed 2020·Granted Oct 1, 2024·1 cites·13 claims
- 3782US11198748B2Resin, resist composition and method for producing resist patternSUMITOMO CHEMICAL CO·Filed 2017·Granted Dec 14, 2021·2 cites·6 claims
- 3882US9671691B2Resin, resist composition and method for producing resist patternSUMITOMO CHEMICAL CO·Filed 2015·Granted Jun 6, 2017·2 cites·12 claims
- 3982US8614046B2Salt and photoresist composition containing the sameICHIKAWA KOJI·Filed 2010·Granted Dec 24, 2013·3 cites·11 claims
- 4081US8278023B2Salt and photoresist composition containing the sameICHIKAWA KOJI·Filed 2010·Granted Oct 2, 2012·3 cites·10 claims
- 4181US5614071ASputtering shieldHMT TECHNOLOGY CORP·Filed 1995·Granted Mar 25, 1997·55 cites·8 claims
- 4280US9671693B2Resist composition and method for producing resist patternICHIKAWA KOJI·Filed 2011·Granted Jun 6, 2017·3 cites·7 claims
- 4380US9644056B2Compound, resin and photoresist compositionSUMITOMO CHEMICAL CO·Filed 2016·Granted May 9, 2017·2 cites·12 claims
- 4480US9562032B2Salt and photoresist composition comprising the sameSUMITOMO CHEMICAL CO·Filed 2015·Granted Feb 7, 2017·2 cites·13 claims
- 4580US8741541B2Compound, resin, photoresist composition, and method for producing photoresist patternICHIKAWA KOJI·Filed 2012·Granted Jun 3, 2014·3 cites·4 claims
- 4680US8663899B2Resist composition and method for producing resist patternICHIKAWA KOJI·Filed 2012·Granted Mar 4, 2014·3 cites·7 claims
- 4780US8614048B2Resin, resist composition and method for producing resist patternICHIKAWA KOJI·Filed 2011·Granted Dec 24, 2013·3 cites·12 claims
- 4880US7304668B2Printer system and image processing system having image correcting functionFUJIFILM CORP·Filed 2002·Granted Dec 4, 2007·14 cites·4 claims
- 4980US6560410B2Image forming apparatus and method for calibrating the sameFUJI PHOTO FILM CO LTD·Filed 2001·Granted May 6, 2003·16 cites·34 claims
- 5079US9599897B2Salt, resin, resist composition and method for producing resist patternSUMITOMO CHEMICAL CO·Filed 2015·Granted Mar 21, 2017·2 cites·4 claims
Showing the top 50 of 313 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →