Inventor · disambiguated record
Masahiro Irie
Also filed as: IRIE MASAHIRO
29 granted patents·4 pending applications·467 citations·filing 1986–2024
97Inventor score
Files withSANYO ELECTRIC CO6TOYOTA BOSHOKU KK4MASAHIRO IRIE3MITSUBISHI CHEM IND3JAPAN SCIENCE & TECH CORP2
Top patents by PatentIndex Score
33 records- 0197US4719296ASpiroxazine compoundsMITSUBISHI CHEM IND·Filed 1986·Granted Jan 12, 1988·85 cites·16 claims
- 0295US7057054B2Photochromic materialJAPAN SCIENCE & TECH CORP·Filed 2003·Granted Jun 6, 2006·48 cites·9 claims
- 0381US5376511AOptical recording mediumMASAHIRO IRIE·Filed 1993·Granted Dec 27, 1994·38 cites·29 claims
- 0479US5405656ASolution for catalytic treatment, method of applying catalyst to substrate and method of forming electrical conductorNIPPON DENSO CO·Filed 1993·Granted Apr 11, 1995·40 cites·16 claims
- 0577US4882428AAzaporphyrin compoundsMITSUBISHI CHEM IND·Filed 1988·Granted Nov 21, 1989·12 cites·8 claims
- 0675US7575386B2Color-memorizing photochromic writing instrument, color-memorizing photochromic writing instrument set using the same and method for alternately expressing color-memorizing photochromic function of writing imagePILOT INK CO LTD·Filed 2005·Granted Aug 18, 2009·5 cites·15 claims
- 0775US2025128660A1Light emitting deviceTOYOTA BOSHOKU KK·Filed 2024·Application pending·0 cites
- 0874US5242491APhoto-induced reversible, discontinuous volume changes in gelsMASSACHUSETTS INST TECHNOLOGY·Filed 1992·Granted Sep 7, 1993·32 cites·14 claims
- 0973US7101497B2Photochromic material and color dose meter using the sameTANAKA YUKI·Filed 2002·Granted Sep 5, 2006·21 cites·9 claims
- 1072US5316900AOptical recording medium having a constant birefringent property and an alterable photochromic propertySANYO ELECTRIC CO·Filed 1993·Granted May 31, 1994·36 cites·10 claims
- 1171US5622812AOptical materialSANYO ELECTRIC CO·Filed 1995·Granted Apr 22, 1997·7 cites·4 claims
- 1270US6884553B2Near-field optical recording medium and near-field optical recording methodMITSUBISHI CHEM CORP·Filed 2001·Granted Apr 26, 2005·7 cites·14 claims
- 1370US5592461AMethods of recording and reproducing information using an optical recording mediumSANYO ELECTRIC CO·Filed 1994·Granted Jan 7, 1997·19 cites·8 claims
- 1469US12240378B2Light emitting deviceTOYOTA BOSHOKU KK·Filed 2022·Granted Mar 4, 2025·0 cites·5 claims
- 1568US4837063AOptical recording materialMITSUBISHI CHEM IND·Filed 1988·Granted Jun 6, 1989·22 cites·20 claims
- 1666US4826954ADiorganopolysiloxane-azobenzene alternating copolymers and methods for their preparationTORAY SILICONE CO·Filed 1988·Granted May 2, 1989·14 cites·4 claims
- 1763US8444450B2Method for alternately expressing color-memorizing photochromic function in toy element, and an alternately color-memorizing photochromic toySHIBAHASHI YUTAKA·Filed 2003·Granted May 21, 2013·10 cites·15 claims
- 1863US6979413B2Optical recording materialASAHI GLASS CO LTD·Filed 2004·Granted Dec 27, 2005·7 cites·9 claims
- 1962US8648206B2Light-activated actuator elementIRIE MASAHIRO·Filed 2007·Granted Feb 11, 2014·2 cites·14 claims
- 2061US11505041B2Vehicle light-adjusting window and vehicle light-adjusting window systemTOYOTA BOSHOKU KK·Filed 2020·Granted Nov 22, 2022·0 cites·20 claims
- 2158US5398223AReproducing method and reproducing apparatus for optical recording mediumSANYO ELECTRIC CO·Filed 1993·Granted Mar 14, 1995·11 cites·22 claims
- 2255US6660868B2Photo-induced phase transition organic materialJAPAN SCIENCE & TECH CORP·Filed 2001·Granted Dec 9, 2003·4 cites·5 claims
- 2355US5443940AOptical recording material and optical recording medium employing the sameSANYO ELECTRIC CO·Filed 1993·Granted Aug 22, 1995·18 cites·26 claims
- 2454US10877345B2Light control film and vehicle body panel including the sameTOYOTA BOSHOKU KK·Filed 2019·Granted Dec 29, 2020·0 cites·7 claims
- 2551US5889751AMethod for optically controlling an optical device and an optical control device utilizing the methodSANYO ELECTRIC CO·Filed 1997·Granted Mar 30, 1999·9 cites·25 claims
- 2649US5468874ABenzothiophene/indole-substituted maleimide derivatives, photochromic material comprising said derivatives and optical recording material using the same materialMITA INDUSTRIAL CO LTD·Filed 1994·Granted Nov 21, 1995·3 cites·9 claims
- 2749US5294522APhotochromic compoundCHISSO CORP·Filed 1993·Granted Mar 15, 1994·12 cites·2 claims
- 2844US5605779AOptical memory mediumSHARP KK·Filed 1993·Granted Feb 25, 1997·5 cites·7 claims
- 2943US2007082977A1Ink composition for color-memorizing photochromic writing instrument and writing instrument using the sameMASAHIRO IRIE·Filed 2005·Application pending·0 cites
- 3041US2004133010A1Photo-induced phase transition organic materialFiled 2003·Application pending·0 cites
- 3140US2008248411A1Display Medium and Displaying MethodMASAHIRO IRIE·Filed 2005·Application pending·0 cites
- 3236US9738675B2Water-soluble photochromic compoundRIKKYO EDUCATIONAL CORP·Filed 2013·Granted Aug 22, 2017·0 cites·9 claims
- 3326US4656245AFunctional elastomerSUMITOMO ELECTRIC INDUSTRIES·Filed 1986·Granted Apr 7, 1987·0 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Masahiro Irie files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →