Inventor · disambiguated record
Keiso Saeki
Also filed as: SAEKI KEISO · USUI HIDEO
48 granted patents·982 citations·filing 1973–1990
98Inventor score
Top patents by PatentIndex Score
48 records- 0199US4251386AMethod for preparing microcapsulesFUJI PHOTO FILM CO LTD·Filed 1978·Granted Feb 17, 1981·145 cites·18 claims
- 0298US3956172AProcess for hardening microcapsules containing hydrophobic oil dropletsFUJI PHOTO FILM CO LTD·Filed 1973·Granted May 11, 1976·115 cites·6 claims
- 0397US4962009AMicrocapsule containing photo-oxidizing agent and leuco dyeFUJI PHOTO FILM CO LTD·Filed 1988·Granted Oct 9, 1990·49 cites·5 claims
- 0495US5055373AMulticolor recording materialFUJI PHOTO FILM CO LTD·Filed 1989·Granted Oct 8, 1991·81 cites·19 claims
- 0594US4356109AMethod for preparing microcapsulesFUJI PHOTO FILM CO LTD·Filed 1980·Granted Oct 26, 1982·63 cites·15 claims
- 0694US3965033AProcess for the production of oil-containing microcapsulesFUJI PHOTO FILM CO LTD·Filed 1974·Granted Jun 22, 1976·97 cites·19 claims
- 0790US4016098AProcess for hardening microcapsulesFUJI PHOTO FILM CO LTD·Filed 1974·Granted Apr 5, 1977·41 cites·12 claims
- 0883US3996156AProduction of microcapsulesFUJI PHOTO FILM CO LTD·Filed 1974·Granted Dec 7, 1976·29 cites·14 claims
- 0983US3936564APressure-sensitive copying paper containing lactone compounds of pyridine-carboxylic acidHODOGAYA CHEMICAL CO LTD·Filed 1974·Granted Feb 3, 1976·13 cites·2 claims
- 1082US4062799AMethod of forming microcapsule films having low porosityFUJI PHOTO FILM CO LTD·Filed 1976·Granted Dec 13, 1977·32 cites·17 claims
- 1181US4929530ALight image forming material and image-recording method using suchFUJI PHOTO FILM CO LTD·Filed 1989·Granted May 29, 1990·16 cites·18 claims
- 1281US4219604AMethod of forming microcapsules, microcapsular dispersion, and pressure sensitive recording sheetFUJI PHOTO FILM CO LTD·Filed 1978·Granted Aug 26, 1980·27 cites·8 claims
- 1376US4942107AImage-forming material and image recording method using the sameFUJI PHOTO FILM CO LTD·Filed 1989·Granted Jul 17, 1990·13 cites·20 claims
- 1476US4803192ARecording materialFUJI PHOTO FILM CO LTD·Filed 1987·Granted Feb 7, 1989·18 cites·18 claims
- 1574US3955026APressure-sensitive recording sheetFUJI PHOTO FILM CO LTD·Filed 1974·Granted May 4, 1976·21 cites·9 claims
- 1669US3930672APressure-sensitive copying paper containing lactone compounds derived from pyridine-carboxylic acidHODOGAYA CHEMICAL CO LTD·Filed 1974·Granted Jan 6, 1976·7 cites·7 claims
- 1768US4985331AMulti-color recording materialsFUJI PHOTO FILM CO LTD·Filed 1989·Granted Jan 15, 1991·9 cites·9 claims
- 1868US3967835APressure-sensitive copying materialHODOGAYA CHEMICAL CO LTD·Filed 1975·Granted Jul 6, 1976·7 cites·8 claims
- 1965US4601920AProcess for the preparation of color developer sheets for pressure-sensitive recordingFUJI PHOTO FILM CO LTD·Filed 1984·Granted Jul 22, 1986·10 cites·20 claims
- 2064US4778781APressure-sensitive recording paper containing microcapsulesFUJI PHOTO FILM CO LTD·Filed 1986·Granted Oct 18, 1988·21 cites·10 claims
- 2164US3955025APressure-sensitive copying sheetFUJI PHOTO FILM CO LTD·Filed 1974·Granted May 4, 1976·15 cites·7 claims
- 2261US3970501AProcess for separating a number of sheets into groupsFUJI PHOTO FILM CO LTD·Filed 1974·Granted Jul 20, 1976·10 cites·11 claims
- 2358US4769305APressure-sensitive recording materialFUJI PHOTO FILM CO LTD·Filed 1987·Granted Sep 6, 1988·8 cites·19 claims
- 2458US4132436ARecording materialFUJI PHOTO FILM CO LTD·Filed 1977·Granted Jan 2, 1979·13 cites·16 claims
- 2556US5035974ALight-image forming materialFUJI PHOTO FILM CO LTD·Filed 1989·Granted Jul 30, 1991·6 cites·10 claims
- 2654US5051333AOptical image-recording materialFUJI PHOTO FILM CO LTD·Filed 1990·Granted Sep 24, 1991·12 cites·11 claims
- 2752US4888334APressure-sensitive microcapsule sheetFUJI PHOTO FILM CO LTD·Filed 1988·Granted Dec 19, 1989·6 cites·11 claims
- 2852US4870048AColor developer sheetFUJI PHOTO FILM CO LTD·Filed 1988·Granted Sep 26, 1989·6 cites·14 claims
- 2949US4876233ARecording materialFUJI PHOTO FILM CO LTD·Filed 1988·Granted Oct 24, 1989·12 cites·10 claims
- 3049US4761397AMicrocapsule sheet for pressure-sensitive copyingFUJI PHOTO FILM CO LTD·Filed 1986·Granted Aug 2, 1988·5 cites·6 claims
- 3148US4918045ARecording materialFUJI PHOTO FILM CO LTD·Filed 1988·Granted Apr 17, 1990·5 cites·13 claims
- 3248US4725315ADesensitizer composition for color developer sheet in pressure sensitive recording system contains a piperidine derivativeFUJI PHOTO FILM CO LTD·Filed 1986·Granted Feb 16, 1988·5 cites·6 claims
- 3348US4559242AMethod of preparing color developer sheetsFUJI PHOTO FILM CO LTD·Filed 1984·Granted Dec 17, 1985·5 cites·12 claims
- 3448US4119777AThiazine productionFUJI PHOTO FILM CO LTD·Filed 1976·Granted Oct 10, 1978·2 cites·9 claims
- 3547US4822768APressure sensitive recording sheetFUJI PHOTO FILM CO LTD·Filed 1987·Granted Apr 18, 1989·11 cites·9 claims
- 3645US4820684APressure-sensitive recording sheetFUJI PHOTO FILM CO LTD·Filed 1986·Granted Apr 11, 1989·4 cites·25 claims
- 3745US4070508ARecording method comprising reacting cellulose fiber with a basic color formerFUJI PHOTO FILM CO LTD·Filed 1975·Granted Jan 24, 1978·7 cites·20 claims
- 3843US4981769ALight image forming materialFUJI PHOTO FILM CO LTD·Filed 1989·Granted Jan 1, 1991·9 cites·6 claims
- 3943US4861748ARecording materialFUJI PHOTO FILM CO LTD·Filed 1987·Granted Aug 29, 1989·8 cites·18 claims
- 4041US4800193ARecording materialFUJI PHOTO FILM CO LTD·Filed 1987·Granted Jan 24, 1989·3 cites·14 claims
- 4140US4849397APressure-sensitive recording mediumFUJI PHOTO FILM CO LTD·Filed 1988·Granted Jul 18, 1989·3 cites·8 claims
- 4236US3944502AProcess for preparing microcapsules containing hydrophobic oil dropsFUJI PHOTO FILM CO LTD·Filed 1973·Granted Mar 16, 1976·3 cites·5 claims
- 4335US4791094ARecording sheetFUJI PHOTO FILM CO LTD·Filed 1986·Granted Dec 13, 1988·4 cites·14 claims
- 4433US4840927ADesensitizer compositionFUJI PHOTO FILM CO LTD·Filed 1986·Granted Jun 20, 1989·3 cites·11 claims
- 4533US4689644APressure-sensitive recording sheetsFUJI PHOTO FILM CO LTD·Filed 1986·Granted Aug 25, 1987·1 cites·15 claims
- 4631US4220356ARecording materials containing chromenoindolesFUJI PHOTO FILM CO LTD·Filed 1979·Granted Sep 2, 1980·2 cites·12 claims
- 4730US4792543APressure-sensitive recording sheetFUJI PHOTO FILM CO LTD·Filed 1987·Granted Dec 20, 1988·0 cites·8 claims
- 4830US3930671AColor former and pressure-sensitive copying paperFUJI PHOTO FILM CO LTD·Filed 1974·Granted Jan 6, 1976·0 cites·6 claims
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