Inventor · disambiguated record
Seiji Tai
Also filed as: TAI SEIJI
43 granted patents·6 pending applications·448 citations·filing 1975–2004
98Inventor score
Files withHITACHI CHEMICAL CO LTD37HITACHI LTD2JAPAN SYNTHETIC RUBBER CO LTD2HITACHI CHEMICAL COMPANY CO1MAXDEM INC1
Top patents by PatentIndex Score
49 records- 0188US7714099B2Luminescent compositions and their usesHITACHI CHEMICAL CO LTD·Filed 2004·Granted May 11, 2010·23 cites·84 claims
- 0285US5484685ANaphthalocyanine derivatives, production thereof, optical recording medium using the same, and production thereofHITACHI LTD·Filed 1991·Granted Jan 16, 1996·23 cites·25 claims
- 0384US5858616APhotosensitive resin composition, photosensitive film and process for preparing fluorescent pattern using the same, and phosphor subjected to surface treatment and process for preparing the sameHITACHI CHEMICAL CO LTD·Filed 1996·Granted Jan 12, 1999·35 cites·4 claims
- 0483US5268485ANaphthalocyanine derivatives, production thereof and optical recording medium using the sameHITACHI CHEMICAL CO LTD·Filed 1991·Granted Dec 7, 1993·18 cites·6 claims
- 0582US5217856ATetraazaporphin, process for producing the same, as well as optical recording media using the same and production processes thereofHITACHI CHEMICAL CO LTD·Filed 1989·Granted Jun 8, 1993·14 cites·6 claims
- 0681US5438135AWater-soluble tetraazaporphins and fluorochrome for labelingHITACHI CHEMICAL CO LTD·Filed 1992·Granted Aug 1, 1995·25 cites·42 claims
- 0781US5034309ANaphthalocyanine derivatives and their use in optical recording mediumHITACHI CHEMICAL CO LTD·Filed 1988·Granted Jul 23, 1991·13 cites·20 claims
- 0881US4490436APolymer filler particles with filler free coatingJAPAN SYNTHETIC RUBBER CO LTD·Filed 1982·Granted Dec 25, 1984·43 cites·21 claims
- 0974US5428152ABis(trialkylsiloxy)silicon naphthalocyanine compounds wherein all the alkyl groups are the same and have 1-3 carbon atomsHITACHI CHEMICAL CO LTD·Filed 1993·Granted Jun 27, 1995·11 cites·5 claims
- 1073US4749637AElectrophotographic plate with silicon naphthalocyanineHITACHI CHEMICAL CO LTD·Filed 1987·Granted Jun 7, 1988·13 cites·6 claims
- 1167US7507351B2Method for purifying electroluminescent material, electroluminescent material and electroluminescent deviceHITACHI CHEMICAL CO LTD·Filed 2004·Granted Mar 24, 2009·9 cites·9 claims
- 1266US5214188A2,3-dicyanonaphthalene derivativesHITACHI LTD·Filed 1991·Granted May 25, 1993·7 cites·6 claims
- 1366US5081236AElectrophotographic plate containing naphthalocyanines which contain siloxy groupsHITACHI CHEMICAL CO LTD·Filed 1989·Granted Jan 14, 1992·6 cites·21 claims
- 1464US8242235B2Purification process of electroluminescent material, electroluminescent material and electroluminescent deviceTSUDA YOSHIHIRO·Filed 2004·Granted Aug 14, 2012·7 cites·16 claims
- 1564US6358663B2Fluorescent pattern, process for preparing the same, organic alkali developing solution for forming the same, emulsion developing solution for forming the same and back plate for plasma display using the sameHITACHI CHEMICAL CO LTD·Filed 2001·Granted Mar 19, 2002·4 cites·2 claims
- 1664US4886721AElectrophotographic plate by use of metal naphthalocyanine derivativeHITACHI CHEMICAL CO LTD·Filed 1988·Granted Dec 12, 1989·11 cites·13 claims
- 1759US5464673AInformation recording medium having recording layer with organic polymer and dye contained thereinHITACHI CHEMICAL CO LTD·Filed 1992·Granted Nov 7, 1995·10 cites·12 claims
- 1858US6194826B1Process for preparing phosphor pattern, phosphor pattern prepared the same and back plate for plasma display panelHITACHI CHEMICAL CO LTD·Filed 1998·Granted Feb 27, 2001·13 cites·25 claims
- 1958US4842970AElectrophotographic plate containing a naphthalocyanine compoundHITACHI CHEMICAL CO LTD·Filed 1988·Granted Jun 27, 1989·10 cites·9 claims
- 2055US4081414AHot melt adhesive composition for hot melt bonding of fibrous or surface-porous materialsJAPAN SYNTHETIC RUBBER CO LTD·Filed 1975·Granted Mar 28, 1978·14 cites·17 claims
- 2154US6391504B2Process for preparing phosphor pattern for field emission display panel, photosensitive element for field emission display panel, phosphor pattern for field emission display panel and field display panelHITACHI CHEMICAL CO LTD·Filed 1998·Granted May 21, 2002·9 cites·13 claims
- 2254US5646198ACoating composition and antifouling paintHITACHI CHEMICAL CO LTD·Filed 1994·Granted Jul 8, 1997·15 cites·10 claims
- 2354US5356979ACoating resin and antifouling coating compositionHITACHI CHEMICAL CO LTD·Filed 1992·Granted Oct 18, 1994·10 cites·9 claims
- 2453US6329111B1Phosphor pattern, processes for preparing the same and photosensitive element to be used for the sameHITACHI CHEMICAL CO LTD·Filed 1997·Granted Dec 11, 2001·8 cites·20 claims
- 2553US6232024B1Fluorescent pattern, process for preparing the same, organic alkali developing solution for forming the same, emulsion developing solution for forming the same and back plate for plasma display using the sameHITACHI CHEMICAL CO LTD·Filed 1998·Granted May 15, 2001·8 cites·13 claims
- 2653US5219706ANaphthalocyanine derivative and production process thereof, as well as optical information recording media using the derivatives and production process thereofHITACHI CHEMICAL CO LTD·Filed 1992·Granted Jun 15, 1993·4 cites·17 claims
- 2752US5648135AInformation recording medium having recording layer with organic polymer and dye contained thereinHITACHI CHEMICAL CO LTD·Filed 1995·Granted Jul 15, 1997·9 cites·7 claims
- 2851US5773508ACoating varnish composition and antifouling coating compositionHITACHI CHEMICAL CO LTD·Filed 1995·Granted Jun 30, 1998·15 cites·12 claims
- 2949US6416931B2Photosensitive element for preparing a phosphor patternHITACHI CHEMICAL CO LTD·Filed 2001·Granted Jul 9, 2002·1 cites·7 claims
- 3046US5021563AMetal naphthalocyanine derivative and process for producing the sameHITACHI CHEMICAL CO LTD·Filed 1989·Granted Jun 4, 1991·5 cites·10 claims
- 3145US5039600ANaphthalocyanine derivatives, production thereof, optical recording medium using the same, and production thereofHITACHI CHEMICAL CO LTD·Filed 1990·Granted Aug 13, 1991·5 cites·35 claims
- 3244US6077647APhotosensitive resin composition, photosensitive film and process for preparing fluorescent pattern using the same, and phosphor subjected to surface treatment and process for preparing the sameHITACHI CHEMICAL CO LTD·Filed 1998·Granted Jun 20, 2000·6 cites·10 claims
- 3343US5439512AResin composition and antifouling paintHITACHI CHEMICAL CO LTD·Filed 1994·Granted Aug 8, 1995·8 cites·11 claims
- 3443US5110968ANaphthalocyanine derivatives, production thereof, optical recording medium using the same, and production thereofHITACHI CHEMICAL CO LTD·Filed 1991·Granted May 5, 1992·4 cites·2 claims
- 3543US2004166443A1Process for preparing phosphor pattern for field emission display panel, photosensitive element for field emission display panel, phosphor pattern for field emission display panel and field emission display panelFiled 2004·Application pending·0 cites
- 3641US6248501B1Photosensitive resin composition, photosensitive film and process for preparing fluorescent pattern using the sameHITACHI CHEMICAL CO LTD·Filed 2000·Granted Jun 19, 2001·3 cites·18 claims
- 3741US5188922AOptical recording mediumHITACHI CHEMICAL CO LTD·Filed 1991·Granted Feb 23, 1993·2 cites·2 claims
- 3841US2007027299A1Quinoline copolymer having branced structure and organic electroluminescent device employing sameMORISHITA YOSHII·Filed 2004·Application pending·0 cites
- 3941US2002037478A1Fluorescent pattern, process for preparing the same, organic alkali developing solution for forming the same, emulsion developing solution for forming the same and back plate for plasma display using the sameFiled 2001·Application pending·0 cites
- 4041US2007003783A1Quinoline copolymer and organic electroluminescent device employing sameMAXDEM INC·Filed 2004·Application pending·0 cites
- 4141US2002142237A1Process for preparing phosphor pattern for field emission display panel, photosensitive element for field emission display panel, phosphor pattern for field emission display panel and field emission display panelFiled 2002·Application pending·0 cites
- 4240US5284943ATatraazaporphin, process for producing the same, as well as optical recording media using the same and production processes thereofHITACHI CHEMICAL COMPANY CO·Filed 1992·Granted Feb 8, 1994·8 cites·14 claims
- 4340US5075203ANaphthalocyanine derivatives, production thereof and optical recording medium using the sameHITACHI CHEMICAL CO LTD·Filed 1989·Granted Dec 24, 1991·7 cites·34 claims
- 4440US4833264A5- or 6-alkoxycarbonyl-2,3-dicyanonaphthalenesHITACHI CHEMICAL CO LTD·Filed 1988·Granted May 23, 1989·1 cites·9 claims
- 4540US2003090193A1Phosphor pattern, processes for preparing the same and photosensitive element to be used for the sameFiled 2002·Application pending·0 cites
- 4635US5439511ACoating varnish composition and antifouling coating compositionHITACHI CHEMICAL CO LTD·Filed 1994·Granted Aug 8, 1995·4 cites·11 claims
- 4732US5627028AWater-soluble tetraazaporphins and fluorochrome for labelingHITACHI CHEMICAL CO LTD·Filed 1993·Granted May 6, 1997·2 cites·4 claims
- 4832US5550202ACoating resin and antifouling coating compositionHITACHI CHEMICAL CO LTD·Filed 1994·Granted Aug 27, 1996·4 cites·2 claims
- 4931US5665875AWater-soluble tetraazaporphins and fluorochrome for labelingHITACHI CHEMICAL CO LTD·Filed 1995·Granted Sep 9, 1997·1 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →