Inventor · disambiguated record
Tetsuo Murayama
Also filed as: MURAYAMA TETSUO · OBA HIROSHI
27 granted patents·2 pending applications·665 citations·filing 1978–2006
97Inventor score
Top patents by PatentIndex Score
29 records- 0197US4278747AElectrophotographic plate comprising a conductive substrate and a photosensitive layer containing an organic photoconductor layer composed of a hydrazone compoundMITSUBISHI CHEM IND·Filed 1979·Granted Jul 14, 1981·122 cites·15 claims
- 0296US4367273AElectrophotographic plate comprising a conductive substrate and a photosensitive layer containing an organic photoconductor layer composed of a hydrazone compoundMITSUBISHI CHEM IND·Filed 1981·Granted Jan 4, 1983·61 cites·14 claims
- 0395US4618555AElectrophotographic photoreceptor comprising azo compoundsMITSUBISHI CHEM IND·Filed 1984·Granted Oct 21, 1986·65 cites·13 claims
- 0494US6551394B2Recording liquid, printed product and ink jet recording methodMITSUBISHI CHEM CORP·Filed 2002·Granted Apr 22, 2003·38 cites·3 claims
- 0594US4664997ACrystalline oxytitanium phthalocyanine and photoreceptor for use in electrophotographyMITSUBISHI CHEM IND·Filed 1985·Granted May 12, 1987·52 cites·2 claims
- 0689US4725519ADual layer electrophotographic photoreceptor comprises titanium phthalocyanine charge generator and hydrazone charge transport materialsMITSUBISHI CHEM IND·Filed 1985·Granted Feb 16, 1988·34 cites·3 claims
- 0789US4396696AElectrophotographic plate having azo compound photosensitive layerMITSUBISHI CHEM IND·Filed 1982·Granted Aug 2, 1983·20 cites·10 claims
- 0888US6383278B1Recording liquid, printed product and ink jet recording methodMITSUBISHI CHEM CORP·Filed 1999·Granted May 7, 2002·46 cites·9 claims
- 0980US6746629B2Squarylium compounds, filters for plasma display panels employing them, and plasma display panel devicesMITSUBISHI CHEM CORP·Filed 2001·Granted Jun 8, 2004·9 cites·20 claims
- 1079US5104749AOrganic electroluminescent deviceMITSUBISHI CHEM IND·Filed 1990·Granted Apr 14, 1992·45 cites·10 claims
- 1178US4184871APhotosensitive composition for electrophotographyMITSUBISHI CHEM IND·Filed 1978·Granted Jan 22, 1980·17 cites·9 claims
- 1274US5298608AMetal chelate of a monoazo compound and optical recording medium using itMITSUBISHI CHEM IND·Filed 1991·Granted Mar 29, 1994·15 cites·20 claims
- 1365US4921770APhotoreceptor for electrophotographyMURAYAMA TETSUO·Filed 1988·Granted May 1, 1990·9 cites·4 claims
- 1464US5389481AElectrophotographic photoreceptorMITSUBISHI CHEM IND·Filed 1994·Granted Feb 14, 1995·16 cites·16 claims
- 1561US4962013APhotochromic material containing a spirooxazine and a nitroxy free radical triplet state quencherNISSAN MOTOR·Filed 1988·Granted Oct 9, 1990·32 cites·27 claims
- 1660US5475213AOptical information processing element and a light-to-light converting deviceMITSUBISHI CHEM CORP·Filed 1993·Granted Dec 12, 1995·19 cites·20 claims
- 1758US4734348APhotosensitive member for electrophotography containing polyvinyl acetalSUZUKI TETSUMI·Filed 1986·Granted Mar 29, 1988·17 cites·10 claims
- 1858US4407919AElectrophotographic plateMITSUBISHI CHEM IND·Filed 1982·Granted Oct 4, 1983·10 cites·5 claims
- 1957US4485160AElectrophotographic hydrazone plateMITSUBISHI CHEM IND·Filed 1983·Granted Nov 27, 1984·9 cites·13 claims
- 2053US5284728AElectrophotographic photoreceptor containing hydrazone compoundsMITSUBISHI CHEM IND·Filed 1992·Granted Feb 8, 1994·10 cites·13 claims
- 2147US7396488B2Light emitting device and fluorescent materialMITSUBISHI CHEM CORP·Filed 2006·Granted Jul 8, 2008·0 cites·6 claims
- 2246US5547791AElectrophotographic photoreceptorMITSUBISHI CHEM CORP·Filed 1994·Granted Aug 20, 1996·3 cites·11 claims
- 2344US7282160B2Light emitting device and fluorescent materialMITSUBISHI CHEM CORP·Filed 2005·Granted Oct 16, 2007·0 cites·12 claims
- 2440US2006132011A1Light emitting deviceMITSUBISHI CHEM CORP·Filed 2005·Application pending·0 cites
- 2539US5231173ADisazo metal chelate compounds for optical recording mediaMITSUBISHI CHEM IND·Filed 1991·Granted Jul 27, 1993·4 cites·10 claims
- 2638US2007132366A1Light emitting device and lighting device using it, image display unitMITSUBISHI CHEM CORP·Filed 2005·Application pending·0 cites
- 2737US4791194AAZO compound photoreceptor having napthol substiuentsMITSUBISHI CHEM IND·Filed 1986·Granted Dec 13, 1988·3 cites·12 claims
- 2836US5753393AElectrophotographic photoreceptorMITSUBISHI CHEM CORP·Filed 1996·Granted May 19, 1998·4 cites·10 claims
- 2936US4987045APhotosensitive member for electrophotographyMITSUBISHI CHEM IND·Filed 1989·Granted Jan 22, 1991·5 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →