Inventor · disambiguated record
Masafumi Torii
Also filed as: TORII MASAFUMI
37 granted patents·5 pending applications·585 citations·filing 1993–2015
98Inventor score
Top patents by PatentIndex Score
42 records- 0194US6677273B2Erasable recording material capable of inputting additional information written thereon and information recording system and information recording method using the recording materialRICOH KK·Filed 2002·Granted Jan 13, 2004·33 cites·17 claims
- 0292US7816674B2Organic thin-film transistorRICOH KK·Filed 2007·Granted Oct 19, 2010·18 cites·10 claims
- 0390US8440713B2[1]benzothieno[3,2-B][1]benzothiophene compound and method for producing the same, and organic electronic device using the sameGOTO DAISUKE·Filed 2009·Granted May 14, 2013·9 cites·6 claims
- 0487US7893192B2Pi-conjugated polymerRICOH CO LTD·Filed 2007·Granted Feb 22, 2011·7 cites·18 claims
- 0587US7550554B2Aryl amine polymer, thin film transistor using the new aryl amine polymer, and method of manufacturing the thin film transistorRICOH KK·Filed 2006·Granted Jun 23, 2009·10 cites·21 claims
- 0685US7166689B2Aryl amine polymer, thin film transistor using the aryl amine polymer, and method of manufacturing the thin film transistorRICOH KK·Filed 2004·Granted Jan 23, 2007·36 cites·22 claims
- 0784US6489265B1Reversible thermosensitive recording medium, method of producing the medium, information recording devices using the medium, and image formation and erasing method using the mediumRICOH KK·Filed 2000·Granted Dec 3, 2002·16 cites·27 claims
- 0883US5306687AThermosensitive recording materialRICOH KK·Filed 1993·Granted Apr 26, 1994·29 cites·5 claims
- 0982US8193304B2Benzobisthiazole compound, benzobisthiazole polymer, organic film including the compound or polymer and transistor including the organic filmYAMAMOTO SATOSHI·Filed 2009·Granted Jun 5, 2012·4 cites·6 claims
- 1082US6261992B1Reversible thermosensitive recording material and recording method and apparatus thereforRICOH KK·Filed 1999·Granted Jul 17, 2001·33 cites·17 claims
- 1181US6174836B1Reversible thermosensitive recording medium, method of producing the medium, information recording devices using the medium, and image formation and erasing method using the mediumRICOH KK·Filed 1998·Granted Jan 16, 2001·29 cites·11 claims
- 1281US5446011AThermosensitive recording materialRICOH KK·Filed 1994·Granted Aug 29, 1995·25 cites·14 claims
- 1380US7745988B23, 6-diphenylcarbazole compound and organic electroluminescent deviceRICOH KK·Filed 2004·Granted Jun 29, 2010·27 cites·10 claims
- 1480US6432518B1Erasable recording material capable of inputting additional information written thereon and information recording system and information recording method using the recording materialRICOH KK·Filed 1999·Granted Aug 13, 2002·24 cites·56 claims
- 1579US6090748AReversible thermosensitive recording material and recording method and recording apparatus thereforRICOH KK·Filed 1998·Granted Jul 18, 2000·31 cites·15 claims
- 1678US6154243AReversible thermal recording method and apparatus thereforRICOH KK·Filed 1998·Granted Nov 28, 2000·36 cites·28 claims
- 1776US6063173AReversible thermosensitive coloring composition and reversible thermosensitive recording medium using the sameRICOH KK·Filed 1999·Granted May 16, 2000·22 cites·11 claims
- 1875US6693061B2Light-permeable thermosensitive recording materialRICOH KK·Filed 2001·Granted Feb 17, 2004·9 cites·30 claims
- 1973US5942377AReversible thermosensitive composition and reversible thermosensitive recording medium using sameRICOH KK·Filed 1997·Granted Aug 24, 1999·24 cites·4 claims
- 2072US6207613B1Reversible thermosensitive coloring composition and recording material using the composition and recording method using the recording materialRICOH KK·Filed 1999·Granted Mar 27, 2001·17 cites·12 claims
- 2171US6524377B2Reversible thermosensitive coloring composition and recording material using the composition and recording method using the recording materialRICOH KK·Filed 2001·Granted Feb 25, 2003·5 cites·1 claims
- 2267US5703005AThermosensitive coloring composition and reversible thermosensitive recording medium using sameRICOH KK·Filed 1996·Granted Dec 30, 1997·18 cites·3 claims
- 2367US5489501ARecording compositionRICOH KK·Filed 1994·Granted Feb 6, 1996·28 cites·14 claims
- 2466US6410478B1Reversible thermosensitive recording mediumRICOH KK·Filed 2000·Granted Jun 25, 2002·5 cites·19 claims
- 2566US6090192AReversible thermosensitive coloring composition and reversible thermosensitive recording medium using sameRICOH KK·Filed 1998·Granted Jul 18, 2000·15 cites·3 claims
- 2663US6362130B1Reversible thermosensitive recording medium, card, label, disk, disk cartridge, tape cassette, method of producing the recording medium, and method of recording and erasing images using the sameRICOH KK·Filed 1998·Granted Mar 26, 2002·16 cites·69 claims
- 2762US10011684B2Arylamine polymer, method for producing the same, ink composition, film, electronic device, organic thin-film transistor, and display deviceRICOH CO LTD·Filed 2015·Granted Jul 3, 2018·0 cites·4 claims
- 2861US5955225AReversible thermosensitive coloring composition and reversible thermosensitive recording medium using sameRICOH KK·Filed 1997·Granted Sep 21, 1999·14 cites·4 claims
- 2959US5891823AReversible thermosensitive recording mediumRICOH KK·Filed 1997·Granted Apr 6, 1999·11 cites·1 claims
- 3057US6503868B2Reversible thermosensitive coloring composition and recording material using the composition and recording method using the recording materialRICOH KK·Filed 2001·Granted Jan 7, 2003·1 cites·23 claims
- 3157US5868821AThermally reversible color forming composition and thermally reversible recording medium using the thermally reversible color forming compositionRICOH KK·Filed 1997·Granted Feb 9, 1999·12 cites·11 claims
- 3254US2010219405A1Novel arylamine polymer, method for producing the same, ink composition, film, electronic device, organic thin-film transistor, and display deviceSAGISAKA TOSHIYA·Filed 2008·Application pending·0 cites
- 3353US7071145B2Thermosensitive recording material, and synthesis method of oligomer composition for the recording materialRICOH KK·Filed 2004·Granted Jul 4, 2006·1 cites·12 claims
- 3453US2004242414A1Thermosensitive recording material, and synthesis method of oligomer compositon for the recording materialFiled 2004·Application pending·0 cites
- 3551US7718760B2π-Conjugated polymer and manufacturing method thereofRICOH KK·Filed 2006·Granted May 18, 2010·0 cites·7 claims
- 3650US5932516AReversible thermosensitive coloring composition and reversible thermosensitive recording medium using the sameRICOH KK·Filed 1996·Granted Aug 3, 1999·7 cites·12 claims
- 3749US2007048637A1Arylamine polymer and organic thin film transistorOKADA TAKASHI·Filed 2006·Application pending·0 cites
- 3848US2012125414A1Photoelectric converterKAMEZAKI HISAMITSU·Filed 2011·Application pending·0 cites
- 3947US5866505AReversible thermosensitive coloring composition and reversible thermosensitive recording medium using the sameRICOH KK·Filed 1996·Granted Feb 2, 1999·7 cites·2 claims
- 4046US6878671B2Thermosensitive recording material, and synthesis method of oligomer composition for the recording materialRICOH KK·Filed 2002·Granted Apr 12, 2005·0 cites·7 claims
- 4145US6001159AReversible thermosensitive coloring composition and reversible thermosensitive recording medium using the sameRICOH KK·Filed 1998·Granted Dec 14, 1999·6 cites·2 claims
- 4236US2011215306A1Organic semiconductor element and organic electrodeKATO TAKUJI·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →