Inventor
TAI SEIJI
JP45 patents
⚠️ This page may combine multiple inventors who share the name “TAI SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI CHEMICAL CO LTD
37 patentsUS5858616AJan 12, 1999
Photosensitive resin composition, photosensitive film and process for preparing fluorescent pattern using the same, and phosphor subjected to surface treatment and process for preparing the same
HITACHI CHEMICAL CO LTD35 citations95
US7714099B2May 11, 2010
Luminescent compositions and their uses
HITACHI CHEMICAL CO LTD23 citations92
US5438135AAug 1, 1995
Water-soluble tetraazaporphins and fluorochrome for labeling
HITACHI CHEMICAL CO LTD25 citations92
US7507351B2Mar 24, 2009
Method for purifying electroluminescent material, electroluminescent material and electroluminescent device
HITACHI CHEMICAL CO LTD9 citations83
US5268485ADec 7, 1993
Naphthalocyanine derivatives, production thereof and optical recording medium using the same
HITACHI CHEMICAL CO LTD18 citations82
US4749637AJun 7, 1988
Electrophotographic plate with silicon naphthalocyanine
HITACHI CHEMICAL CO LTD13 citations82
US5439512AAug 8, 1995
Resin composition and antifouling paint
HITACHI CHEMICAL CO LTD8 citations74
US5428152AJun 27, 1995
Bis(trialkylsiloxy)silicon naphthalocyanine compounds wherein all the alkyl groups are the same and have 1-3 carbon atoms
HITACHI CHEMICAL CO LTD11 citations74
US5217856AJun 8, 1993
Tetraazaporphin, process for producing the same, as well as optical recording media using the same and production processes thereof
HITACHI CHEMICAL CO LTD14 citations74
US5081236AJan 14, 1992
Electrophotographic plate containing naphthalocyanines which contain siloxy groups
HITACHI CHEMICAL CO LTD6 citations74
US5075203ADec 24, 1991
Naphthalocyanine derivatives, production thereof and optical recording medium using the same
HITACHI CHEMICAL CO LTD7 citations74
US5034309AJul 23, 1991
Naphthalocyanine derivatives and their use in optical recording medium
HITACHI CHEMICAL CO LTD13 citations74
US5021563AJun 4, 1991
Metal naphthalocyanine derivative and process for producing the same
HITACHI CHEMICAL CO LTD5 citations74
US4886721ADec 12, 1989
Electrophotographic plate by use of metal naphthalocyanine derivative
HITACHI CHEMICAL CO LTD11 citations74
US4842970AJun 27, 1989
Electrophotographic plate containing a naphthalocyanine compound
HITACHI CHEMICAL CO LTD10 citations74
US6329111B1Dec 11, 2001
Phosphor pattern, processes for preparing the same and photosensitive element to be used for the same
HITACHI CHEMICAL CO LTD8 citations73
US6194826B1Feb 27, 2001
Process for preparing phosphor pattern, phosphor pattern prepared the same and back plate for plasma display panel
HITACHI CHEMICAL CO LTD13 citations73
US6077647AJun 20, 2000
Photosensitive resin composition, photosensitive film and process for preparing fluorescent pattern using the same, and phosphor subjected to surface treatment and process for preparing the same
HITACHI CHEMICAL CO LTD6 citations73
US6391504B2May 21, 2002
Process 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 panel
HITACHI CHEMICAL CO LTD9 citations72
US6232024B1May 15, 2001
Fluorescent 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 same
HITACHI CHEMICAL CO LTD8 citations72
US5648135AJul 15, 1997
Information recording medium having recording layer with organic polymer and dye contained therein
HITACHI CHEMICAL CO LTD9 citations72
US5646198AJul 8, 1997
Coating composition and antifouling paint
HITACHI CHEMICAL CO LTD15 citations72
US5464673ANov 7, 1995
Information recording medium having recording layer with organic polymer and dye contained therein
HITACHI CHEMICAL CO LTD10 citations72
US5773508AJun 30, 1998
Coating varnish composition and antifouling coating composition
HITACHI CHEMICAL CO LTD15 citations71
US5356979AOct 18, 1994
Coating resin and antifouling coating composition
HITACHI CHEMICAL CO LTD10 citations69
US5439511AAug 8, 1995
Coating varnish composition and antifouling coating composition
HITACHI CHEMICAL CO LTD4 citations63
US5219706AJun 15, 1993
Naphthalocyanine derivative and production process thereof, as well as optical information recording media using the derivatives and production process thereof
HITACHI CHEMICAL CO LTD4 citations63
US5188922AFeb 23, 1993
Optical recording medium
HITACHI CHEMICAL CO LTD2 citations63
US5110968AMay 5, 1992
Naphthalocyanine derivatives, production thereof, optical recording medium using the same, and production thereof
HITACHI CHEMICAL CO LTD4 citations63
US5039600AAug 13, 1991
Naphthalocyanine derivatives, production thereof, optical recording medium using the same, and production thereof
HITACHI CHEMICAL CO LTD5 citations63
US6248501B1Jun 19, 2001
Photosensitive resin composition, photosensitive film and process for preparing fluorescent pattern using the same
HITACHI CHEMICAL CO LTD3 citations62
US5627028AMay 6, 1997
Water-soluble tetraazaporphins and fluorochrome for labeling
HITACHI CHEMICAL CO LTD2 citations62
US6358663B2Mar 19, 2002
Fluorescent 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 same
HITACHI CHEMICAL CO LTD4 citations61
US5550202AAug 27, 1996
Coating resin and antifouling coating composition
HITACHI CHEMICAL CO LTD4 citations58
US5665875ASep 9, 1997
Water-soluble tetraazaporphins and fluorochrome for labeling
HITACHI CHEMICAL CO LTD1 citations52
US4833264AMay 23, 1989
5- or 6-alkoxycarbonyl-2,3-dicyanonaphthalenes
HITACHI CHEMICAL CO LTD1 citations52
US6416931B2Jul 9, 2002
Photosensitive element for preparing a phosphor pattern
HITACHI CHEMICAL CO LTD1 citations51