Inventor · disambiguated record
Ryuichi Takahashi
Also filed as: TAKAHASHI RYUICHI
16 granted patents·6 pending applications·267 citations·filing 1987–2013
94Inventor score
Files withFUJI PHOTO FILM CO LTD5CIBA SC HOLDING AG4BASF SE3KOKUSAI ELECTRIC CO LTD2KUNIMOTO KAZUHIKO2
Top patents by PatentIndex Score
22 records- 0181US5855660AColored effect pigments and their useCIBA SC HOLDING AG·Filed 1998·Granted Jan 5, 1999·42 cites·21 claims
- 0280USD310366SPortable radio telephoneKOKUSAI ELECTRIC CO LTD·Filed 1989·Granted Sep 4, 1990·20 cites·1 claims
- 0379US4764102AContinuous elongate ceramic article manufacturing systemIG TECH RES INC·Filed 1987·Granted Aug 16, 1988·37 cites·16 claims
- 0477US5665485ASplashproof construction for portable type electronic deviceKOKUSAI ELECTRIC CO LTD·Filed 1995·Granted Sep 9, 1997·65 cites·7 claims
- 0573US6436538B1Nitrogen doped carbon-coated effect pigments and their manufactureCIBA SC HOLDING AG·Filed 1999·Granted Aug 20, 2002·22 cites·19 claims
- 0669US6706330B2Process for coating a surfaceCIBA SC HOLDING AG·Filed 2002·Granted Mar 16, 2004·11 cites·8 claims
- 0757US4963461ALight-sensitive micropcapsule and light-sensitive material employing the sameFUJI PHOTO FILM CO LTD·Filed 1988·Granted Oct 16, 1990·16 cites·22 claims
- 0855US4889786ALight-sensitive material containing silver halide, reducing agent polymerizable compound and color forming system and comprising microcapsules having different mean grain sizesFUJI PHOTO FILM CO LTD·Filed 1988·Granted Dec 26, 1989·11 cites·12 claims
- 0953US8723017B2Dye sensitised solar cellKUNIMOTO KAZUHIKO·Filed 2009·Granted May 13, 2014·2 cites·17 claims
- 1051US9865823B2Quinolinium dyes with fluorinated counter anion for dye sensitized solar cellsBASF SE·Filed 2013·Granted Jan 9, 2018·0 cites·23 claims
- 1151US5718998AElectrophotographic photoreceptor the photosensitive layer of which contains the charge generating material a fine organic pigment prepared from a soluble pigment precursorCIBA SC HOLDING AG·Filed 1995·Granted Feb 17, 1998·11 cites·21 claims
- 1249US4927731ALight-sensitive material containing silver halide, reducing agent, polymerizable compound, and polar compoundFUJI PHOTO FILM CO LTD·Filed 1988·Granted May 22, 1990·9 cites·8 claims
- 1346US8709299B2Dye sensitised solar cellTANABE JUNICHI·Filed 2010·Granted Apr 29, 2014·0 cites·16 claims
- 1444US2011233477A1Dye sensitised solar cellBASF SE·Filed 2011·Application pending·0 cites
- 1543US5039589ALight-sensitive material containing silver halide, reducing agent, polymerizable compound and base precursor dispersed in the polymerizable compoundFUJI PHOTO FILM CO LTD·Filed 1990·Granted Aug 13, 1991·7 cites·10 claims
- 1642US2007184232A1Optical recording materials having high storage densityTAKAHASHI RYUICHI·Filed 2005·Application pending·0 cites
- 1741US5035975ALight-sensitive material containing silver halide reducing agent and polymerizable compoundFUJI PHOTO FILM CO LTD·Filed 1990·Granted Jul 30, 1991·8 cites·9 claims
- 1841US2002046585A1Recycled fertilizer and method for producing the sameIG TECHNICAL RES INC·Filed 2001·Application pending·0 cites
- 1941US2008095967A1Optical Recording Materials Having High Storage DensityKUNIMOTO KAZUHIKO·Filed 2005·Application pending·0 cites
- 2039US2002027316A1Asbestos-free product sintered from building material wastes containing asbestos and method of producing the sameFiled 2001·Application pending·0 cites
- 2136US2016155575A1Methine dyes with large organic counter anion for dye sensitized solar cellsBASF SE·Filed 2004·Application pending·0 cites
- 2232US5293634ASystem for retrieving token having a selected nest level and satisfying predetermined retrieval conditionNEC CORP·Filed 1990·Granted Mar 8, 1994·6 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →