Honshu Chemical Industry Co., Ltd.

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Production method for 4-hydroxy-2-methylbenzoic acid
- Patent number 12,037,315
- Issue date Jul 16, 2024
- Honshu Chemical Industry Co., Ltd.
- Ryota Imai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic tetracarboxylic acid compound
- Patent number 11,964,939
- Issue date Apr 23, 2024
- Honshu Chemical Industry Co., Ltd.
- Rie Fujioka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyacyloxymethyl-4,4′-acyloxybiphenyl compound
- Patent number 11,932,598
- Issue date Mar 19, 2024
- Honshu Chemical Industry Co., Ltd.
- Akihito Nasu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing liquid-crystal polyester processed product
- Patent number 11,884,864
- Issue date Jan 30, 2024
- Honshu Chemical Industry Co., Ltd.
- Ryota Imai
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Alkoxymethyl-substituted bisphenol compound
- Patent number 11,208,378
- Issue date Dec 28, 2021
- Honshu Chemical Industry Co., Ltd.
- Akihito Nasu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic polycarbonate oligomer solid
- Patent number 11,130,841
- Issue date Sep 28, 2021
- Honshu Chemical Industry Co., Ltd.
- Mitsutaka Ozaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic polycarbonate oligomer solid
- Patent number 11,130,840
- Issue date Sep 28, 2021
- Honshu Chemical Industry Co., Ltd.
- Mitsutaka Ozaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic polycarbonate oligomer solid
- Patent number 11,118,009
- Issue date Sep 14, 2021
- Honshu Chemical Industry Co., Ltd.
- Mitsutaka Ozaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Bisphenol compound and aromatic polycarbonate
- Patent number 10,759,755
- Issue date Sep 1, 2020
- Honshu Chemical Industry Co., Ltd.
- Shun Mizoguchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic polycarbonate oligomer solid
- Patent number 10,654,971
- Issue date May 19, 2020
- Honshu Chemical Industry Co., Ltd.
- Mitsutaka Ozaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic polycarbonate oligomer solid
- Patent number 10,655,010
- Issue date May 19, 2020
- Honshu Chemical Industry Co., Ltd.
- Mitsutaka Ozaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
4-acylaralkylphenols and derivatives thereof
- Patent number 9,567,281
- Issue date Feb 14, 2017
- Honshu Chemical Industry Co., Ltd.
- Akihiko Ojiri
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tetrakis(ether-substituted formylphenyl)
- Patent number 9,522,868
- Issue date Dec 20, 2016
- Honshu Chemical Industry Co., Ltd.
- Akira Yoshitomo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of manufacturing 4,4″-dihydroxy-m-terphenyl
- Patent number 9,102,596
- Issue date Aug 11, 2015
- Honshu Chemical Industry Co., Ltd.
- Kazuhito Ashida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ester group-containing tetracarboxylic acid dianhydride, polyester...
- Patent number 9,096,566
- Issue date Aug 4, 2015
- Honshu Chemical Industry Co., Ltd.
- Masatoshi Hasegawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing trisphenols and monoester-substituted products...
- Patent number 9,090,547
- Issue date Jul 28, 2015
- Honshu Chemical Industry Co., Ltd.
- Akihiko Ojiri
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ester group-containing tetracarboxylic acid dianhydride, novel poly...
- Patent number 9,023,974
- Issue date May 5, 2015
- Honshu Chemical Industry Co., Ltd.
- Masatoshi Hasegawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polynuclear poly(phenol) family
- Patent number 8,921,613
- Issue date Dec 30, 2014
- Honshu Chemical Industry Co., Ltd.
- Tatsuya Iwai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Trisphenol compound
- Patent number 8,816,135
- Issue date Aug 26, 2014
- Honshu Chemical Industry Co., Ltd.
- Akira Yoshitomo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for manufacturing trimellitic anhydride aryl ester
- Patent number 8,563,751
- Issue date Oct 22, 2013
- Honshu Chemical Industry Co., Ltd.
- Tomoya Yamamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bis(formylphenyl) compound and novel polynuclear polyphenol compoun...
- Patent number 8,563,770
- Issue date Oct 22, 2013
- Honshu Chemical Industry Co., Ltd.
- Akira Yoshitomo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing new polynuclear poly(formylphenol)
- Patent number RE43067
- Issue date Jan 3, 2012
- Honshu Chemical Industry Co., Ltd.
- Akira Yoshitomo
- 568 - Organic compounds
Information Patent Grant
Bis(formylphenyl)alkane and novel polynuclear phenol derived from t...
- Patent number 7,875,743
- Issue date Jan 25, 2011
- Honshu Chemical Industry Co., Ltd.
- Akira Yoshitomo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tris(formylphenyl) and novel polynuclear phenol derived therefrom
- Patent number 7,858,819
- Issue date Dec 28, 2010
- Honshu Chemical Industry Co., Ltd.
- Akira Yoshitomo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing new polynuclear poly(formylphenol)
- Patent number 7,750,190
- Issue date Jul 6, 2010
- Honshu Chemical Industry Co., Ltd.
- Akira Yoshitomo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bis-(hydroxybenzaldehyde) compound and novel polynuclear polyphenol...
- Patent number 7,586,009
- Issue date Sep 8, 2009
- Honshu Chemical Industry Co., Ltd.
- Akira Yoshitomo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,3-bis(3-formyl-4-hydroxyphenyl)adamantanes and polynuclear polyph...
- Patent number 7,456,323
- Issue date Nov 25, 2008
- Honshu Chemical Industry Co., Ltd.
- Akira Yoshitomo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of producing poly(ortho-methylphenol)
- Patent number 7,321,054
- Issue date Jan 22, 2008
- Honshu Chemical Industry Co., Ltd.
- Rie Azuma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4,4′-dihydroxyphenyl bicyclohexenes
- Patent number 7,196,232
- Issue date Mar 27, 2007
- Honshu Chemical Industry Co., Ltd.
- Kouji Satomi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing 1, 1-bis(4-hydroxyphenyl)-3,3,5-trimethylcycl...
- Patent number 6,992,227
- Issue date Jan 31, 2006
- Honshu Chemical Industry Co., Ltd.
- Kazuhiko Yao
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
CRYSTAL OF ISOSORBIDE-BIS(TRIMELLITATE ANHYDRIDE) AND METHOD FOR PR...
- Publication number 20250034163
- Publication date Jan 30, 2025
- Honshu Chemical Industry Co., Ltd.
- Kazuhisa YAJIMA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING POLYETHER NITRILE
- Publication number 20250026886
- Publication date Jan 23, 2025
- Honshu Chemical Industry Co., Ltd.
- Akihiro HASHIKAWA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING POLYETHER NITRILE
- Publication number 20250019342
- Publication date Jan 16, 2025
- Honshu Chemical Industry Co., Ltd.
- Akihiro HASHIKAWA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING POLYETHER NITRILE
- Publication number 20250011540
- Publication date Jan 9, 2025
- Honshu Chemical Industry Co., Ltd.
- Akihiro HASHIKAWA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CRYSTAL OF ISOMANNIDE-BIS(TRIMELLITATE ANHYDRIDE) AND METHOD FOR PR...
- Publication number 20250011336
- Publication date Jan 9, 2025
- Honshu Chemical Industry Co., Ltd.
- Kazuhisa YAJIMA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
CURABLE RESIN COMPOSITION, VARNISH, PREPREG, AND CURED PRODUCT
- Publication number 20250002683
- Publication date Jan 2, 2025
- Honshu Chemical Industry Co., Ltd.
- Akihito NASU
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
CRYSTALLINE COMPOSITION, CRYSTAL OF BENZOXAZINE COMPOUND, METHOD FO...
- Publication number 20240417380
- Publication date Dec 19, 2024
- Honshu Chemical Industry Co., Ltd.
- Daichi OKAMURA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
POLYIMIDE RESIN MATERIAL FOR COLORLESS TRANSPARENT PROCESSED PRODUC...
- Publication number 20240376267
- Publication date Nov 14, 2024
- Honshu Chemical Industry Co., Ltd.
- Ryota IMAI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CURABLE RESIN COMPOSITION, VARNISH, PREPREG, AND CURED PRODUCT
- Publication number 20240327572
- Publication date Oct 3, 2024
- Honshu Chemical Industry Co., Ltd.
- Akihito NASU
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
MATERIAL FOR MELT PROCESSING AND MELT-PROCESSED PRODUCT
- Publication number 20240301139
- Publication date Sep 12, 2024
- Honshu Chemical Industry Co., Ltd.
- Ryota IMAI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING BENZOXAZINE COMPOUND
- Publication number 20240279189
- Publication date Aug 22, 2024
- Honshu Chemical Industry Co., Ltd.
- Yoshimi UTAKA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
NOVEL TRIS(ALLYL ETHER) COMPOUND HAVING TRIPHENYLALKANE BACKBONE
- Publication number 20240116840
- Publication date Apr 11, 2024
- Honshu Chemical Industry Co., Ltd.
- Akihito NASU
- C07 - ORGANIC CHEMISTRY
Information Patent Application
NOVEL BENZOXAZINE COMPOUND, RESIN RAW MATERIAL COMPOSITION CONTAINI...
- Publication number 20240101543
- Publication date Mar 28, 2024
- Honshu Chemical Industry Co., Ltd.
- Yoshimi UTAKA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
NOVEL BENZOXAZINE COMPOUND, RESIN RAW MATERIAL COMPOSITION CONTAINI...
- Publication number 20240101523
- Publication date Mar 28, 2024
- Honshu Chemical Industry Co., Ltd.
- Yoshimi UTAKA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
NOVEL METHOD FOR PRODUCING BENZOXAZINE COMPOUND
- Publication number 20240101522
- Publication date Mar 28, 2024
- Honshu Chemical Industry Co., Ltd.
- Yoshimi UTAKA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING LIQUID-CRYSTAL POLYESTER PROCESSED PRODUCT
- Publication number 20240084196
- Publication date Mar 14, 2024
- HONSHU CHEMICAL INDUSTRY CO., LTD.
- Ryota IMAI
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Application
BENZOXAZINE COMPOUND-CONTAINING COMPOSITION, CURABLE RESIN COMPOSIT...
- Publication number 20240002583
- Publication date Jan 4, 2024
- Honshu Chemical Industry Co., Ltd.
- Daichi OKAMURA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
NOVEL TRISPHENOL DERIVATIVE
- Publication number 20230234905
- Publication date Jul 27, 2023
- Honshu Chemical Industry Co., Ltd.
- Akihito NASU
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING BINAPHTHYL CARBOXYLIC ACID
- Publication number 20230002300
- Publication date Jan 5, 2023
- Honshu Chemical Industry Co., Ltd.
- Daichi SAKUMA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
COMPOSITION FOR RESIN RAW MATERIAL
- Publication number 20220396544
- Publication date Dec 15, 2022
- Honshu Chemical Industry Co., Ltd.
- Masato KODERA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING 2,2'-BIS(CARBOXYMETHOXY)-1,1'-BINAPHTHYL
- Publication number 20220380286
- Publication date Dec 1, 2022
- Honshu Chemical Industry Co., Ltd.
- Daichi SAKUMA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING AROMATIC BIS ETHER COMPOUND
- Publication number 20220324789
- Publication date Oct 13, 2022
- Honshu Chemical Industry Co., Ltd.
- Takeru SUTO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING LIQUID-CRYSTAL POLYESTER PROCESSED PRODUCT
- Publication number 20220204853
- Publication date Jun 30, 2022
- Honshu Chemical Industry Co., Ltd.
- Ryota IMAI
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
PRODUCTION METHOD FOR 4-HYDROXY-2-METHYLBENZOIC ACID
- Publication number 20220127216
- Publication date Apr 28, 2022
- Honshu Chemical Industry Co., Ltd.
- Ryota IMAI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
AROMATIC TETRACARBOXYLIC ACID COMPOUND
- Publication number 20210347723
- Publication date Nov 11, 2021
- HONSHU CHEMICAL INDUSTRY CO., LTD.
- Rie FUJIOKA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
NOVEL POLYACYLOXYMETHYL-4,4'-ACYLOXYBIPHENYL COMPOUND
- Publication number 20210323906
- Publication date Oct 21, 2021
- Honshu Chemical Industry Co., Ltd.
- Akihito NASU
- C07 - ORGANIC CHEMISTRY
Information Patent Application
AROMATIC POLYCARBONATE OLIGOMER SOLID
- Publication number 20210054142
- Publication date Feb 25, 2021
- Honshu Chemical Industry Co., Ltd.
- Mitsutaka OZAKI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
NOVEL ALKOXYMETHYL-SUBSTITUTED BISPHENOL COMPOUND
- Publication number 20210053916
- Publication date Feb 25, 2021
- Honshu Chemical Industry Co., Ltd.
- Akihito NASU
- C07 - ORGANIC CHEMISTRY
Information Patent Application
AROMATIC POLYCARBONATE OLIGOMER SOLID
- Publication number 20200115495
- Publication date Apr 16, 2020
- Honshu Chemical Industry Co., Ltd.
- Mitsutaka OZAKI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
AROMATIC POLYCARBONATE OLIGOMER SOLID
- Publication number 20200071460
- Publication date Mar 5, 2020
- Honshu Chemical Industry Co., Ltd.
- Mitsutaka OZAKI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Honshu Chemical Industry Co., Ltd.

Organization

Patents Grantslast 30 patents

Production method for 4-hydroxy-2-methylbenzoic acid

Aromatic tetracarboxylic acid compound

Polyacyloxymethyl-4,4′-acyloxybiphenyl compound

Method for producing liquid-crystal polyester processed product

Alkoxymethyl-substituted bisphenol compound

Aromatic polycarbonate oligomer solid

Aromatic polycarbonate oligomer solid

Aromatic polycarbonate oligomer solid

Bisphenol compound and aromatic polycarbonate

Aromatic polycarbonate oligomer solid

Aromatic polycarbonate oligomer solid

4-acylaralkylphenols and derivatives thereof

Tetrakis(ether-substituted formylphenyl)

Method of manufacturing 4,4″-dihydroxy-m-terphenyl

Ester group-containing tetracarboxylic acid dianhydride, polyester...

Method for producing trisphenols and monoester-substituted products...

Ester group-containing tetracarboxylic acid dianhydride, novel poly...

Polynuclear poly(phenol) family

Trisphenol compound

Method for manufacturing trimellitic anhydride aryl ester

Bis(formylphenyl) compound and novel polynuclear polyphenol compoun...

Method for producing new polynuclear poly(formylphenol)

Bis(formylphenyl)alkane and novel polynuclear phenol derived from t...

Tris(formylphenyl) and novel polynuclear phenol derived therefrom

Method for producing new polynuclear poly(formylphenol)

Bis-(hydroxybenzaldehyde) compound and novel polynuclear polyphenol...

1,3-bis(3-formyl-4-hydroxyphenyl)adamantanes and polynuclear polyph...

Method of producing poly(ortho-methylphenol)

4,4′-dihydroxyphenyl bicyclohexenes

Process for producing 1, 1-bis(4-hydroxyphenyl)-3,3,5-trimethylcycl...

Patents Applicationslast 30 patents

CRYSTAL OF ISOSORBIDE-BIS(TRIMELLITATE ANHYDRIDE) AND METHOD FOR PR...

METHOD FOR PRODUCING POLYETHER NITRILE

METHOD FOR PRODUCING POLYETHER NITRILE

METHOD FOR PRODUCING POLYETHER NITRILE

CRYSTAL OF ISOMANNIDE-BIS(TRIMELLITATE ANHYDRIDE) AND METHOD FOR PR...

CURABLE RESIN COMPOSITION, VARNISH, PREPREG, AND CURED PRODUCT

CRYSTALLINE COMPOSITION, CRYSTAL OF BENZOXAZINE COMPOUND, METHOD FO...

POLYIMIDE RESIN MATERIAL FOR COLORLESS TRANSPARENT PROCESSED PRODUC...

CURABLE RESIN COMPOSITION, VARNISH, PREPREG, AND CURED PRODUCT

MATERIAL FOR MELT PROCESSING AND MELT-PROCESSED PRODUCT

METHOD FOR PRODUCING BENZOXAZINE COMPOUND

NOVEL TRIS(ALLYL ETHER) COMPOUND HAVING TRIPHENYLALKANE BACKBONE

NOVEL BENZOXAZINE COMPOUND, RESIN RAW MATERIAL COMPOSITION CONTAINI...

NOVEL BENZOXAZINE COMPOUND, RESIN RAW MATERIAL COMPOSITION CONTAINI...

NOVEL METHOD FOR PRODUCING BENZOXAZINE COMPOUND

METHOD FOR PRODUCING LIQUID-CRYSTAL POLYESTER PROCESSED PRODUCT

BENZOXAZINE COMPOUND-CONTAINING COMPOSITION, CURABLE RESIN COMPOSIT...

NOVEL TRISPHENOL DERIVATIVE

METHOD FOR PRODUCING BINAPHTHYL CARBOXYLIC ACID

COMPOSITION FOR RESIN RAW MATERIAL

METHOD FOR PRODUCING 2,2'-BIS(CARBOXYMETHOXY)-1,1'-BINAPHTHYL

METHOD FOR PRODUCING AROMATIC BIS ETHER COMPOUND

METHOD FOR PRODUCING LIQUID-CRYSTAL POLYESTER PROCESSED PRODUCT

PRODUCTION METHOD FOR 4-HYDROXY-2-METHYLBENZOIC ACID

AROMATIC TETRACARBOXYLIC ACID COMPOUND

NOVEL POLYACYLOXYMETHYL-4,4'-ACYLOXYBIPHENYL COMPOUND

AROMATIC POLYCARBONATE OLIGOMER SOLID

NOVEL ALKOXYMETHYL-SUBSTITUTED BISPHENOL COMPOUND

AROMATIC POLYCARBONATE OLIGOMER SOLID

AROMATIC POLYCARBONATE OLIGOMER SOLID

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