Inventor · disambiguated record
Sadao Ishige
Also filed as: ISHIGE SADAO · SAEKI KEISO
26 granted patents·327 citations·filing 1973–1996
96Inventor score
Top patents by PatentIndex Score
26 records- 0191US4401717AHeat-sensitive recording materialFUJI PHOTO FILM CO LTD·Filed 1981·Granted Aug 30, 1983·44 cites·2 claims
- 0290US4598036APrint-out compositionsFUJI PHOTO FILM CO LTD·Filed 1984·Granted Jul 1, 1986·54 cites·9 claims
- 0387US5180652ALight- and heat-sensitive composition, and recording materialFUJI PHOTO FILM CO LTD·Filed 1990·Granted Jan 19, 1993·73 cites·11 claims
- 0484US4771032AHeat-sensitive recording material and recording method thereforFUJI PHOTO FILM CO LTD·Filed 1985·Granted Sep 13, 1988·17 cites·11 claims
- 0580US3934070ARecording sheet and color developer thereforFUJI PHOTO FILM CO LTD·Filed 1973·Granted Jan 20, 1976·27 cites·14 claims
- 0670US5492789AProcess for producing microcapsules containing a diazonium salt compound and a photofixation thermal recording material employing the sameFUJI PHOTO FILM CO LTD·Filed 1994·Granted Feb 20, 1996·7 cites·6 claims
- 0769US3930672APressure-sensitive copying paper containing lactone compounds derived from pyridine-carboxylic acidHODOGAYA CHEMICAL CO LTD·Filed 1974·Granted Jan 6, 1976·7 cites·7 claims
- 0868US5213939ALight- and heat-sensitive recording materialFUJI PHOTO FILM CO LTD·Filed 1991·Granted May 25, 1993·7 cites·19 claims
- 0968US4842979ABlack color heat-sensitive diazo microcapsule recording material with benzoylacetic amide couplerFUJI PHOTO FILM CO LTD·Filed 1987·Granted Jun 27, 1989·10 cites·8 claims
- 1067US4535348AFluoran derivatives and recording material using sameFUJI PHOTO FILM CO LTD·Filed 1982·Granted Aug 13, 1985·7 cites·4 claims
- 1163US4433156AProcess for preparing fluoran derivativesFUJI PHOTO FILM CO LTD·Filed 1982·Granted Feb 21, 1984·10 cites·4 claims
- 1261US5683850ADiazo heat-sensitive recording material comprising hydroxy coumarin as a couplerFUJI PHOTO FILM CO LTD·Filed 1996·Granted Nov 4, 1997·4 cites·13 claims
- 1361US5547806AProcess for producing microcapsule containing diazonium salt compound and photo- and heat-sensitive recording material produced using the sameFUJI PHOTO FILM CO LTD·Filed 1994·Granted Aug 20, 1996·5 cites·18 claims
- 1458US4132436ARecording materialFUJI PHOTO FILM CO LTD·Filed 1977·Granted Jan 2, 1979·13 cites·16 claims
- 1550US5212042APositive type light-sensitive compositionFUJI PHOTO FILM CO LTD·Filed 1992·Granted May 18, 1993·3 cites·4 claims
- 1650US4471074AHeat-sensitive recording materialsFUJI PHOTO FILM CO LTD·Filed 1982·Granted Sep 11, 1984·5 cites·3 claims
- 1749US5543260ADiazo heat-sensitive recording materialFUJI PHOTO FILM CO LTD·Filed 1994·Granted Aug 6, 1996·3 cites·6 claims
- 1848US4119777AThiazine productionFUJI PHOTO FILM CO LTD·Filed 1976·Granted Oct 10, 1978·2 cites·9 claims
- 1948US4076887ARecording sheetsFUJI PHOTO FILM CO LTD·Filed 1976·Granted Feb 28, 1978·8 cites·9 claims
- 2045US4070508ARecording method comprising reacting cellulose fiber with a basic color formerFUJI PHOTO FILM CO LTD·Filed 1975·Granted Jan 24, 1978·7 cites·20 claims
- 2143US5250384ALight-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
- 2238US4975353AHeat-sensitive recording materialsFUJI PHOTO FILM CO LTD·Filed 1989·Granted Dec 4, 1990·2 cites·10 claims
- 2337US5338642ADiazo 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
- 2434US5370965APositive-working light-sensitive composition containing diazonium salt and novolak resinFUJI PHOTO FILM CO LTD·Filed 1992·Granted Dec 6, 1994·3 cites·11 claims
- 2531US4220356ARecording materials containing chromenoindolesFUJI PHOTO FILM CO LTD·Filed 1979·Granted Sep 2, 1980·2 cites·12 claims
- 2630US3930671AColor former and pressure-sensitive copying paperFUJI PHOTO FILM CO LTD·Filed 1974·Granted Jan 6, 1976·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →