Inventor · disambiguated record
Takekatsu Sugiyama
Also filed as: SUGIYAMA TAKEKATSU
25 granted patents·1 pending application·264 citations·filing 1981–2007
96Inventor score
Top patents by PatentIndex Score
26 records- 0198US6589445B2Light-reaction type optically active compound, light-reaction type chiral agent, liquid crystal composition, liquid crystal color filter, optical film, recording medium, and method of changing twist structure of liquid crystalFUJI PHOTO FILM CO LTD·Filed 2001·Granted Jul 8, 2003·54 cites·16 claims
- 0296US5750292AUltraviolet absorber precursor compound, photosensitive resin composition comprising the same and image forming processFUJI PHOTO FILM CO LTD·Filed 1996·Granted May 12, 1998·36 cites·20 claims
- 0391US4401717AHeat-sensitive recording materialFUJI PHOTO FILM CO LTD·Filed 1981·Granted Aug 30, 1983·44 cites·2 claims
- 0481US4446209AHeat-sensitive recording materialsFUJI PHOTO FILM CO LTD·Filed 1982·Granted May 1, 1984·19 cites·4 claims
- 0578US5296329ADiazo heat-sensitive recording materialFUJI PHOTO FILM CO LTD·Filed 1993·Granted Mar 22, 1994·10 cites·6 claims
- 0674US5922122APigment-dispersed compositionFUJI PHOTO FILM CO LTD·Filed 1997·Granted Jul 13, 1999·14 cites·16 claims
- 0769US4895826AHeat-sensitive recording material with diazonium salt and coupler precursor with ester or urethane groupFUJI PHOTO FILM CO LTD·Filed 1988·Granted Jan 23, 1990·10 cites·11 claims
- 0868US5213939ALight- and heat-sensitive recording materialFUJI PHOTO FILM CO LTD·Filed 1991·Granted May 25, 1993·7 cites·19 claims
- 0967US6653000B2Magnetic recording medium comprising a specific azo dyeFUJI PHOTO FILM CO LTD·Filed 2001·Granted Nov 25, 2003·8 cites·17 claims
- 1067US5489621AProcess for forming colored partial picture element and light-shielding light-sensitive resin composition used thereforFUJI PHOTO FILM CO LTD·Filed 1994·Granted Feb 6, 1996·17 cites·6 claims
- 1165US4583104ARecording materialsFUJI PHOTO FILM CO LTD·Filed 1984·Granted Apr 15, 1986·10 cites·2 claims
- 1247US7556911B2Titanocene based compound, photosensitive composition, photosensitive transfer sheet and pattern forming methodFUJIFILM CORP·Filed 2007·Granted Jul 7, 2009·0 cites·20 claims
- 1347US2007077498A1Optical recording composition, optical recording medium and production method thereof, optical recording method and optical recording apparatusFUJI PHOTO FILM CO LTD·Filed 2006·Application pending·0 cites
- 1443US5250384ALight-sensitive heat-sensitive composition and recording material comprising same and image formation process using sameFUJI PHOTO FILM CO LTD·Filed 1991·Granted Oct 5, 1993·6 cites·10 claims
- 1541US5780203AProcess for forming colored partial picture element and light-shielding light-sensitive resin composition used thereforFUJI PHOTO FILM CO LTD·Filed 1995·Granted Jul 14, 1998·6 cites·12 claims
- 1641US4800193ARecording materialFUJI PHOTO FILM CO LTD·Filed 1987·Granted Jan 24, 1989·3 cites·14 claims
- 1740US4471073AHeat-sensitive recording materialsFUJI PHOTO FILM CO LTD·Filed 1982·Granted Sep 11, 1984·3 cites·14 claims
- 1838US4975353AHeat-sensitive recording materialsFUJI PHOTO FILM CO LTD·Filed 1989·Granted Dec 4, 1990·2 cites·10 claims
- 1937US5563020APhotosensitive transfer sheetFUJI PHOTO FILM CO LTD·Filed 1995·Granted Oct 8, 1996·5 cites·7 claims
- 2037US5338642ADiazo type recording material comprising two couplers wherein the novel coupler used is a bis-malonamideFUJI PHOTO FILM CO LTD·Filed 1992·Granted Aug 16, 1994·1 cites·14 claims
- 2137US4682193ARecording materialsFUJI PHOTO FILM CO LTD·Filed 1985·Granted Jul 21, 1987·2 cites·5 claims
- 2234US5370965APositive-working light-sensitive composition containing diazonium salt and novolak resinFUJI PHOTO FILM CO LTD·Filed 1992·Granted Dec 6, 1994·3 cites·11 claims
- 2334US4603339ARecording materialFUJI PHOTO FILM CO LTD·Filed 1985·Granted Jul 29, 1986·1 cites·18 claims
- 2432US5827796AThermal recording materialFUJI PHOTO FILM CO LTD·Filed 1985·Granted Oct 27, 1998·1 cites·5 claims
- 2531US4614955AHeat sensitive recording paperFUJI PHOTO FILM CO LTD·Filed 1984·Granted Sep 30, 1986·1 cites·5 claims
- 2630US5693436AMethod for forming a color filterFUJI PHOTO FILM CO LTD·Filed 1995·Granted Dec 2, 1997·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →