Inventor · disambiguated record
Koji Nakagawa
Also filed as: NAKAGAWA KOJI · SIRASAWA MINORU · YOSHISATO EISHIN
69 granted patents·16 pending applications·1,809 citations·filing 1973–2024
99Inventor score
Top patents by PatentIndex Score
85 records- 0196US9090501B2Method for reducing warpage of glass substrate caused by chemical strengthening process, and method for producing chemically strengthened glass substrateASAHI GLASS CO LTD·Filed 2014·Granted Jul 28, 2015·39 cites·8 claims
- 0295US10342164B2Rack mount-type information processing apparatus and rack mount-type information processing systemFUJITSU LTD·Filed 2017·Granted Jul 2, 2019·16 cites·14 claims
- 0395US6646697B1Liquid crystal displayCITIZEN WATCH CO LTD·Filed 1998·Granted Nov 11, 2003·186 cites·16 claims
- 0494US6271901B1Liquid crystal display device with two reflective polarizers providing metallic appearance effectsCITIZEN WATCH CO LTD·Filed 1998·Granted Aug 7, 2001·152 cites·17 claims
- 0593US9663396B2Glass sheet capable of being inhibited from warping through chemical strengtheningASAHI GLASS CO LTD·Filed 2014·Granted May 30, 2017·38 cites·7 claims
- 0692US6580479B1TimepieceCITIZEN WATCH CO LTD·Filed 1998·Granted Jun 17, 2003·135 cites·15 claims
- 0792US4190454ACement retarder and rapid hardening cement containing the sameDENKI KAGAKU KOGYO KK·Filed 1978·Granted Feb 26, 1980·92 cites·11 claims
- 0891US6790142B2Advertisement distribution system and serverARUZE CORP·Filed 2002·Granted Sep 14, 2004·181 cites·20 claims
- 0991US5178516ACentrifugal compressorHITACHI LTD·Filed 1990·Granted Jan 12, 1993·79 cites·6 claims
- 1089US4151204AProcess for preparing amino alcoholsTEIJIN LTD·Filed 1977·Granted Apr 24, 1979·22 cites·5 claims
- 1189US3973978AMethod for execution of quick hardening cementDENKI KAGAKU KOGYO KK·Filed 1974·Granted Aug 10, 1976·50 cites·10 claims
- 1288US10546766B2Inspection device and substrate processing apparatusSCREEN HOLDINGS CO LTD·Filed 2018·Granted Jan 28, 2020·4 cites·10 claims
- 1388US4084981AQuick hardening cement-asphalt compositionJAPAN NATIONAL RAILWAY·Filed 1974·Granted Apr 18, 1978·31 cites·15 claims
- 1488US4082561AMethod for execution of quick hardening cementDENKI KAGAKU KOGYO KK·Filed 1976·Granted Apr 4, 1978·48 cites·5 claims
- 1587US6643224B1Timepiece including multiple liquid crystal displaysCITIZEN WATCH CO LTD·Filed 2000·Granted Nov 4, 2003·36 cites·26 claims
- 1687US4877370ADiffuser for centrifugal compressorHITACHI LTD·Filed 1988·Granted Oct 31, 1989·56 cites·12 claims
- 1785US8964302B2Image pickup apparatus having zoom lensOLYMPUS IMAGING CORP·Filed 2013·Granted Feb 24, 2015·7 cites·36 claims
- 1885US4969798ADiffuser for a centrifugal compressorHITACHI LTD·Filed 1989·Granted Nov 13, 1990·45 cites·6 claims
- 1984US6937301B2Time piece with power generation functionCITIZEN WATCH CO LTD·Filed 2002·Granted Aug 30, 2005·20 cites·9 claims
- 2084US5165849ACentrifugal compressorHITACHI LTD·Filed 1991·Granted Nov 24, 1992·52 cites·16 claims
- 2183US11541040B2Medicine for improving state of pregnancy, and use thereofYAMAGUCHI KOUSHI·Filed 2019·Granted Jan 3, 2023·1 cites·9 claims
- 2282US5529457ACentrifugal compressorHITACHI LTD·Filed 1995·Granted Jun 25, 1996·74 cites·7 claims
- 2381US10143682B2Medicine for improving state of pregnancy, and use thereofYAMAGUCHI KOUSHI·Filed 2015·Granted Dec 4, 2018·3 cites·6 claims
- 2481US3931095AFire retardant thermosetting resin compositionNIPPON KAYAKU KK·Filed 1974·Granted Jan 6, 1976·20 cites·8 claims
- 2580US7772778B2Method for forming electrodes and/or black stripes for plasma display substrateASAHI GLASS CO LTD·Filed 2007·Granted Aug 10, 2010·6 cites·20 claims
- 2679US5310309ACentrifugal compressorHITACHI LTD·Filed 1992·Granted May 10, 1994·49 cites·14 claims
- 2778US10043694B2Inspection device and substrate processing apparatusSCREEN HOLDINGS CO LTD·Filed 2016·Granted Aug 7, 2018·2 cites·10 claims
- 2878US8564711B2Zoom lens and image pickup apparatus having the sameMOROOKA MASARU·Filed 2012·Granted Oct 22, 2013·5 cites·52 claims
- 2973USD704645SHousing for a connectorNOMURA RIKA·Filed 2012·Granted May 13, 2014·20 cites·1 claims
- 3073US5376216ADevice for holding and rotating a substrateDAINIPPON SCREEN MFG·Filed 1994·Granted Dec 27, 1994·61 cites·19 claims
- 3171US6292439B1WatchCITIZEN WATCH CO LTD·Filed 1998·Granted Sep 18, 2001·40 cites·20 claims
- 3270US4789442AMethod for producing adiponitrileASAHI CHEMICAL IND·Filed 1987·Granted Dec 6, 1988·19 cites·6 claims
- 3369US5778745AChip-broken turning method and apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 14, 1998·41 cites·8 claims
- 3468US2022078946A1Information processing device and electronic device cooling methodFUJITSU LTD·Filed 2021·Application pending·0 cites
- 3563US7846641B2Glass substrate having circuit pattern and process for producing the sameASAHI GLASS CO LTD·Filed 2008·Granted Dec 7, 2010·2 cites·8 claims
- 3663US5268162AMethod for producing a particulate zeolite and a particulate zeolite produced therebyASAHI CHEMICAL IND·Filed 1992·Granted Dec 7, 1993·18 cites·13 claims
- 3763US4525757ARotary head assemblyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1983·Granted Jun 25, 1985·12 cites·1 claims
- 3863US4187118AConcrete composition for making concrete moldings and method for making such concrete moldingsDENKI KAGAKU KOGYO KK·Filed 1978·Granted Feb 5, 1980·16 cites·14 claims
- 3962US5346137AElectromagnetic fuel injection valveHITACHI LTD·Filed 1993·Granted Sep 13, 1994·19 cites·27 claims
- 4061US4096186AProcess for racemizing optically active amino compoundsTEIJIN LTD·Filed 1975·Granted Jun 20, 1978·13 cites·8 claims
- 4161US2024393567A1ObjectiveEVIDENT CORP·Filed 2024·Application pending·0 cites
- 4261US2019099406A1Medicine for improving state of pregnancy, and use thereofYAMAGUCHI KOUSHI·Filed 2018·Application pending·0 cites
- 4360US12420369B2Pallet supply apparatusDMG MORI CO LTD·Filed 2020·Granted Sep 23, 2025·0 cites·14 claims
- 4460US2020189237A1Laminated glassAGC INC·Filed 2020·Application pending·0 cites
- 4559US4230499AConcrete composition for making concrete moldings and method for making such concrete moldingsDENKI KAGAKU KOGYO KK·Filed 1979·Granted Oct 28, 1980·14 cites·8 claims
- 4658US12358808B2Ce—Zr composite oxide, manufacturing method of same, and exhaust gas purification catalyst using sameUMICORE SHOKUBAI JAPAN CO LTD·Filed 2021·Granted Jul 15, 2025·0 cites·7 claims
- 4758US7790358B2Pattern formation method, electronic circuit manufactured by the same, and electronic device using the sameASAHI GLASS CO LTD·Filed 2006·Granted Sep 7, 2010·1 cites·3 claims
- 4857USD705172SHousing for a connectorNOMURA RIKA·Filed 2012·Granted May 20, 2014·10 cites·1 claims
- 4957US8418359B2Method for manufacturing circuit pattern-provided substrateSATOH RYOHEI·Filed 2009·Granted Apr 16, 2013·1 cites·13 claims
- 5056US9023480B2Glass substrate for chemical strengthening, and method for producing sameASAHI GLASS CO LTD·Filed 2014·Granted May 5, 2015·0 cites·7 claims
Showing the top 50 of 85 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →