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Hodogaya Chemical Co Ltd
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Hodogaya Chemical Co Ltd patents

Recent patent applications related to Hodogaya Chemical Co Ltd. Hodogaya Chemical Co Ltd is listed as an Agent/Assignee. Note: Hodogaya Chemical Co Ltd may have other listings under different names/spellings. We're not affiliated with Hodogaya Chemical Co Ltd, we're just tracking patents.

ARCHIVE: New 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "H" | Hodogaya Chemical Co Ltd-related inventors




Date Hodogaya Chemical Co Ltd patents (updated weekly) - BOOKMARK this page
09/21/17Compound having substituted triphenylene ring structure, and organic electroluminescent device
09/21/17Organic electroluminescent device
07/20/17Organic electroluminescent device
06/29/17Pyrimidine derivative and an organic electroluminescent device
06/22/17Organic electroluminescent device
05/04/17Compound having tetraazatriphenylene ring structure, light-emitting material, and organic electroluminescent device
04/27/17Organic electroluminescent device
01/19/17Spiro compound having azafluorene ring structure, light-emitting material, and organic electroluminescent device
12/01/16Benzofuroindole derivative and organic electroluminescence device
09/01/16Benzopyridoindole derivative and organic electroluminescent element
07/28/16Charge control agent and toner using same
07/21/16Toner, developer, and toner cartridge
07/14/16Compound having triphenylene ring structure, and organic electroluminescent device
06/09/16A benzotriazole derivative and an organic electroluminescent device
06/02/16Yellow colorant for hair dyeing, composition for hair dyeing, and hair dyeing method
06/02/16Dicarbazole derivatives and organic electroluminescent devices
05/05/16Organic electroluminescent device
05/05/16Indenoindole derivative and organic electroluminescent element
04/28/16Organic electroluminescent device
03/24/16Novel pyrimidine derivatives and organic electroluminescent devices
03/03/16Compound having diazatriphenylene ring structure, and organic electroluminescent device
01/07/16Novel naphthotriazole derivatives and organic electroluminescence devices
12/31/15Organic electroluminescent device
10/08/15Organic electroluminescent device
09/03/15Compound having indenoacridan ring structure, and organic electroluminescent device
06/04/15Compound having substituted anthracene ring structure and pyridoindole ring structure, and organic electroluminescent device
03/05/15Compound having acridan ring structure, and organic electroluminescent device
02/19/15Compound having acridan ring structure, and organic electroluminescent device
02/05/15Novel triphenylene derivatives and organic electroluminescent devices using said derivatives
12/25/14Novel benzotriazole derivatives and organic electroluminescent devices using the derivatives
12/25/14Novel benzotriazole derivatives and organic electroluminescent devices using the derivatives
12/25/14Phosphorescent organic light emitting devices having a hole transporting cohost material in the emissive region
08/14/14Organic electroluminescent device
07/24/14Charge controlling agent and toner using same
06/19/14Process for producing a charge control agent
06/12/14Method of producing aromatic amino compounds
05/08/14Compound having an indolocarbazole ring structure and organic electroluminescent device
05/01/14Carbon fibrous conjunct and composite material using thereof
02/20/14Compound having triazole ring structure substituted with pyridyl group and organic electroluminescent device
02/13/14Compound having acridan ring structure, and organic electroluminescent device
02/06/14Compound having substituted ortho-terphenyl structure, and organic electroluminescent device
02/06/14Compound having substituted triphenylene ring structure, and organic electroluminescent device
02/06/14Arylamine compound useful in an organic electroluminescent device
01/23/14Organic electroluminescent device
01/02/14Toner for developing electrostatic charge image
12/26/13Dye composition for hair dyeing and producing the same
12/12/13Organic electroluminescent device
12/12/13Compounds having bipyridyl group and carbazole ring, and organic electroluminescent element
11/21/13Thermosetting resin-containing solution in which fine carbon fibers are dispersed and thermosetting resin formed articles thereof
11/07/13Compound having substituted bipyridyl group and pyridoinodole ring structure, and organic electroluminescent device
10/31/13Compound having triazole ring structure substituted with pyridyl group and organic electroluminescent device
10/10/13Charge control agent and toner using same
07/11/13Charge control agent and toner using same
07/11/13Charge control agent and toner using same
06/20/13Charge control agent and toner using the same
06/13/13Charge controlling agent and toner using same
05/23/13Vapor-grown carbon fiber aggregate
05/23/13Compound having indenocarbazole ring structure, and organic electroluminescent device
05/09/13Compound having carbazole ring structure, and organic electroluminescent device
03/28/13Compound having acridan ring structure, and organic electroluminescent device
03/21/13Triphenylamine derivatives
12/20/12Substituted pyridyl compound and organic electroluminescent element
12/13/12Charge control agent composition and toner utilizing the same
12/13/12Charge controlling agent and toner using same
11/29/12Compound having pyridoindole ring structure having substituted pyridyl group attached thereto, and organic electroluminescence element
Patent Packs
11/22/12Compound having triphenylamine structure, and organic electroluminescent device
11/01/12Organic electroluminescent device
10/04/12Methods for producing oxidized cyclic phenol sulfides
09/13/12Compound having a substituted anthracene ring structure and pyridoindole ring structure, and organic electroluminescent device
08/16/12Organic electroluminescent device
08/16/12Diphenylnaphthylamine derivatives
07/12/12Compound having carbazole ring structure, and organic electroluminescent device
05/24/12Compound having substituted anthracene ring structure and pyridoindole ring structure, and organic electroluminescent device
03/01/12Indole derivatives
01/19/12Compound having benzotriazole ring structure and organic electroluminescent element
11/10/11Hair dye and hair dye composition
11/10/11Compound having triazole ring structure to which pyridyl group is bonded, and organic electroluminescent device
10/20/11Method of producing aromatic amino compounds
08/18/11Aqueous dispersion of fine carbon fibers, preparing the aqueous dispersion, and articles using thereof
07/21/11Compound having substituted anthracene ring structure and pyridoindole ring structure and organic electroluminescence device
Patent Packs
07/14/11Carbon fibrous aggregator, manufacturing thereof, and composite material including thereof
07/14/11Carbon fiber and composite material
05/19/11Arylamine compound and organic electroluminescent device
03/31/11Organic electroluminescent device
02/24/11Charge controlling agent and toner using metal compound of cyclic phenol sulfide
02/03/11Method for continuously producing oxidized cyclic phenol sulfides
01/13/11Compound having substituted pyridyl group and pyridoindole ring structure linked through phenylene group, and organic electroluminescent device
12/09/10Compound having pyridoindole ring structure bonded with substituted pyridyl group, and organic electroluminescent device
11/18/10Electrophotographic photosensitive body
09/16/10Compound having pyridoindole ring structure having substituted pyridyl group attached thereto, and organic electroluminescence element
07/08/10Tetramine compound and organic el device
07/08/10Tetramine compound and organic el device
05/20/10Compound wherein substituted bipyridyl group is connected with pyridoindole ring structure through phenylene group, and organic electroluminescent device
04/29/10Photoreceptor for electrophotography
01/21/10Carbon fibrous structure
01/21/10P-terphenyl compound and photosensitive body for electrophotography using such compound
01/21/10Process for producing mek-modified resorcin/formalin resin parallelly carrying out recovery and reuse of specified raw material
11/05/09Carbon fibrous structure
11/05/09Methods for producing oxidized cyclic phenol sulfides
10/22/09Methods for producing cyclic phenol sulfides
09/24/09Oxidized mixed cyclic phenol sulfides, and charge control agents and toners using the same
09/17/09Compound having oxadiazole ring structure bonded with aromatic heterocyclic ring and organic electroluminescent device
09/10/09Electrophotographic photosensitive body
04/30/09Compound having thiadiazole ring structure substituted with pyridyl group and organic electroluminescent device
04/23/09Photoreceptor for electrophotography
04/02/09Process for producing n,n'-carbonyldiimidazole
02/26/09P-terphenyl compound mixture and electrophotographic photoreceptors made by using the same
02/19/09M-carbazolylphenyl compounds
02/05/09Mixed cyclic phenol sulfides, and charge control agents and toners using the same
12/12/13Compounds having bipyridyl group and carbazole ring, and organic electroluminescent element
Social Network Patent Pack
01/21/10Process for producing mek-modified resorcin/formalin resin parallelly carrying out recovery and reuse of specified raw material







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