Kouhei Takemura

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Allyl compound and composition for optical material
- Patent number 11,945,791
- Issue date Apr 2, 2024
- Mitsubishi Gas Chemical Company, Inc.
- Kouhei Takemura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production method for 1,2,3,5,6-pentathiepane
- Patent number 11,919,877
- Issue date Mar 5, 2024
- Mitsubishi Gas Chemical Company, Inc.
- Hiroyuki Tanagi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Episulfide compound and composition for optical material
- Patent number 11,858,920
- Issue date Jan 2, 2024
- Mitsubishi Gas Chemical Company, Inc.
- Kouhei Takemura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Composition for use as optical material
- Patent number 11,186,673
- Issue date Nov 30, 2021
- Mitsubishi Gas Chemical Company, Inc.
- Kazuki Kariyazono
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Optical material composition
- Patent number 11,078,363
- Issue date Aug 3, 2021
- Mitsubishi Gas Chemical Company, Inc.
- Yoshihiko Nishimori
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optical material composition
- Patent number 10,982,094
- Issue date Apr 20, 2021
- Mitsubishi Gas Chemical Company, Inc.
- Yoshihiko Nishimori
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thiol compound composition for optical material
- Patent number 10,047,043
- Issue date Aug 14, 2018
- Mitsubishi Gas Chemical Company, Inc.
- Kouhei Takemura
- G02 - OPTICS
Information Patent Grant
Composition for optical material and method for producing same, and...
- Patent number 9,914,799
- Issue date Mar 13, 2018
- Mitsubishi Gas Chemical Company, Inc.
- Kouhei Takemura
- G02 - OPTICS
Information Patent Grant
Optical material composition, and application for same
- Patent number 9,663,618
- Issue date May 30, 2017
- Mitsubishi Gas Chemical Company, Inc.
- Kouhei Takemura
- G02 - OPTICS
Information Patent Grant
Vehicle transmission oil seal
- Patent number 9,322,477
- Issue date Apr 26, 2016
- Honda Motor Co., Ltd.
- Hidetaka Ogishi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method for producing optical material
- Patent number 9,322,957
- Issue date Apr 26, 2016
- Mitsubishi Gas Chemical Company, Inc.
- Kouhei Takemura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Vehicle engine oil seal
- Patent number 9,322,476
- Issue date Apr 26, 2016
- Honda Motor Co., Ltd.
- Hidetaka Ogishi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Composition for optical materials, process for production thereof,...
- Patent number 9,260,566
- Issue date Feb 16, 2016
- MITSUBISHI GAS CHEMICAL, INC.
- Kouhei Takemura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Vehicle valve stem seal
- Patent number 8,931,452
- Issue date Jan 13, 2015
- Honda Motor Co., Ltd.
- Hidetaka Ogishi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Crosslinkable fluorine rubber composition, fluorine rubber molded a...
- Patent number 8,796,384
- Issue date Aug 5, 2014
- Daikin Industries, Ltd.
- Kouhei Takemura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
CROSSLINKABLE COMPOSITION, MEMBER AND USE OF CROSSLINKABLE COMPOSITION
- Publication number 20240336766
- Publication date Oct 10, 2024
- DAIKIN INDUSTRIES, LTD.
- Kazuyoshi KAWASAKI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
FLUORORUBBER CROSSLINKING COMPOSITION, ARTICLE AND SEALING MEMBER
- Publication number 20240199778
- Publication date Jun 20, 2024
- DAIKIN INDUSTRIES, LTD.
- Kazuyoshi KAWASAKI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PRODUCTION METHOD OF FLUORINE-CONTAINING ELASTOMER AQUEOUS DISPERSION
- Publication number 20240132633
- Publication date Apr 25, 2024
- DAIKIN INDUSTRIES, LTD.
- Sota YUASA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
FLUORORUBBER CROSSLINKING COMPOSITION, ARTICLE AND SEALING MEMBER
- Publication number 20240124700
- Publication date Apr 18, 2024
- DAIKIN INDUSTRIES, LTD.
- Kazuyoshi KAWASAKI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPOSITION FOR FLUORINE RUBBER CROSSLINKING, MOLDED ARTICLE AND SE...
- Publication number 20240052072
- Publication date Feb 15, 2024
- DAIKIN INDUSTRIES, LTD.
- Kazuyoshi KAWASAKI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPOSITION FOR FLUORINE RUBBER CROSSLINKING, MOLDED ARTICLE AND SE...
- Publication number 20240034871
- Publication date Feb 1, 2024
- DAIKIN INDUSTRIES, LTD.
- Kazuyoshi KAWASAKI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPOSITION FOR FLUORINE RUBBER CROSSLINKING, MOLDED ARTICLE AND SE...
- Publication number 20240026138
- Publication date Jan 25, 2024
- DAIKIN INDUSTRIES, LTD.
- Kazuyoshi KAWASAKI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPOSITION FOR FLUORINE RUBBER CROSSLINKING, MOLDED ARTICLE AND SE...
- Publication number 20240026139
- Publication date Jan 25, 2024
- DAIKIN INDUSTRIES, LTD.
- Kazuyoshi KAWASAKI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING FLUORINE-CONTAINING ELASTOMER AQUEOUS DISPERSI...
- Publication number 20230322975
- Publication date Oct 12, 2023
- DAIKIN INDUSTRIES, LTD.
- Sota YUASA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPOSITION FOR FLUORINE RUBBER CROSSLINKING AND MOLDED ARTICLE
- Publication number 20230250259
- Publication date Aug 10, 2023
- DAIKIN INDUSTRIES, LTD.
- Kazuyoshi KAWASAKI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING FLUORINE-CONTAINING ELASTOMER AQUEOUS DISPERSI...
- Publication number 20230192924
- Publication date Jun 22, 2023
- DAIKIN INDUSTRIES, LTD.
- Rina TAMAI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPOSITION FOR FLUORINE RUBBER CROSSLINKING AND MOLDED ARTICLE
- Publication number 20230183465
- Publication date Jun 15, 2023
- DAIKIN INDUSTRIES, LTD.
- Kazuyoshi KAWASAKI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR MANUFACTURING FLUORINE-CONTAINING ELASTOMER AQUEOUS DISP...
- Publication number 20230167213
- Publication date Jun 1, 2023
- DAIKIN INDUSTRIES, LTD.
- Rina TAMAI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING AQUEOUS DISPERSION LIQUID OF FLUORINE-CONTAINI...
- Publication number 20230167219
- Publication date Jun 1, 2023
- DAIKIN INDUSTRIES, LTD.
- Rina TAMAI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PREPARING FLUORINE-CONTAINING ELASTOMER AQUEOUS DISPERSI...
- Publication number 20230167212
- Publication date Jun 1, 2023
- DAIKIN INDUSTRIES, LTD.
- Rina TAMAI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPOSITION FOR OPTICAL MATERIAL
- Publication number 20230100848
- Publication date Mar 30, 2023
- Mitsubishi Gas Chemical Company, Inc.
- Mariko SADO
- G02 - OPTICS
Information Patent Application
METHOD FOR PRODUCING FLUORINE-CONTAINING POLYMER, FLUORINE-CONTAINI...
- Publication number 20220340694
- Publication date Oct 27, 2022
- DAIKIN INDUSTRIES, LTD.
- Rina TAMAI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPRESSED MEMBER FOR ELECTROCHEMICAL DEVICE
- Publication number 20220306781
- Publication date Sep 29, 2022
- DAIKIN INDUSTRIES, LTD.
- Yusuke KAMIYA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPRESSED MEMBER FOR ELECTROCHEMICAL DEVICE
- Publication number 20220251262
- Publication date Aug 11, 2022
- DAIKIN INDUSTRIES, LTD.
- Yusuke KAMIYA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EPISULFIDE COMPOUND AND COMPOSITION FOR OPTICAL MATERIAL
- Publication number 20210340129
- Publication date Nov 4, 2021
- Mitsubishi Gas Chemical Company, Inc.
- Kouhei TAKEMURA
- G02 - OPTICS
Information Patent Application
NOVEL ALLYL COMPOUND AND COMPOSITION FOR OPTICAL MATERIAL
- Publication number 20210292297
- Publication date Sep 23, 2021
- Mitsubishi Gas Chemical Company, Inc.
- Kouhei TAKEMURA
- G02 - OPTICS
Information Patent Application
PRODUCTION METHOD FOR 1,2,3,5,6-PENTATHIEPANE
- Publication number 20210009553
- Publication date Jan 14, 2021
- Mitsubishi Gas Chemical Company, Inc.
- Hiroyuki TANAGI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
AIR MANAGEMENT SYSTEM MEMBER AND FLUORORUBBER COMPOSITION
- Publication number 20200392323
- Publication date Dec 17, 2020
- DAIKIN INDUSTRIES, LTD.
- Kouhei TAKEMURA
- B32 - LAYERED PRODUCTS
Information Patent Application
COMPOSITION FOR USE AS OPTICAL MATERIAL
- Publication number 20200223975
- Publication date Jul 16, 2020
- Mitsubishi Gas Chemical Company, Inc.
- Kazuki KARIYAZONO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
OPTICAL MATERIAL COMPOSITION
- Publication number 20200216616
- Publication date Jul 9, 2020
- Mitsubishi Gas Chemical Company, Inc.
- Yoshihiko NISHIMORI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
OPTICAL MATERIAL COMPOSITION
- Publication number 20200024450
- Publication date Jan 23, 2020
- Mitsubishi Gas Chemical Company, Inc.
- Yoshihiko NISHIMORI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
NOVEL THIOL COMPOUND COMPOSITION FOR OPTICAL MATERIAL
- Publication number 20180079719
- Publication date Mar 22, 2018
- Mitsubishi Gas Chemical Company, Inc.
- Kouhei TAKEMURA
- G02 - OPTICS
Information Patent Application
LAMINATE
- Publication number 20170197389
- Publication date Jul 13, 2017
- Zeon Corporation
- Nobuyoshi EMORI
- B32 - LAYERED PRODUCTS
Information Patent Application
COMPOSITION FOR OPTICAL MATERIAL AND METHOD FOR PRODUCING SAME, AND...
- Publication number 20170051095
- Publication date Feb 23, 2017
- Mitsubishi Gas Chemical Company, Inc.
- Kouhei TAKEMURA
- G02 - OPTICS
Information Patent Application
OPTICAL MATERIAL COMPOSITION, AND APPLICATION FOR SAME
- Publication number 20160355641
- Publication date Dec 8, 2016
- Mitsubishi Gas Chemical Company, Inc.
- Kouhei TAKEMURA
- G02 - OPTICS

Kouhei Takemura

Person

Patents Grantslast 30 patents

Allyl compound and composition for optical material

Production method for 1,2,3,5,6-pentathiepane

Episulfide compound and composition for optical material

Composition for use as optical material

Optical material composition

Optical material composition

Thiol compound composition for optical material

Composition for optical material and method for producing same, and...

Optical material composition, and application for same

Vehicle transmission oil seal

Method for producing optical material

Vehicle engine oil seal

Composition for optical materials, process for production thereof,...

Vehicle valve stem seal

Crosslinkable fluorine rubber composition, fluorine rubber molded a...

Patents Applicationslast 30 patents

CROSSLINKABLE COMPOSITION, MEMBER AND USE OF CROSSLINKABLE COMPOSITION

FLUORORUBBER CROSSLINKING COMPOSITION, ARTICLE AND SEALING MEMBER

PRODUCTION METHOD OF FLUORINE-CONTAINING ELASTOMER AQUEOUS DISPERSION

FLUORORUBBER CROSSLINKING COMPOSITION, ARTICLE AND SEALING MEMBER

COMPOSITION FOR FLUORINE RUBBER CROSSLINKING, MOLDED ARTICLE AND SE...

COMPOSITION FOR FLUORINE RUBBER CROSSLINKING, MOLDED ARTICLE AND SE...

COMPOSITION FOR FLUORINE RUBBER CROSSLINKING, MOLDED ARTICLE AND SE...

COMPOSITION FOR FLUORINE RUBBER CROSSLINKING, MOLDED ARTICLE AND SE...

METHOD FOR PRODUCING FLUORINE-CONTAINING ELASTOMER AQUEOUS DISPERSI...

COMPOSITION FOR FLUORINE RUBBER CROSSLINKING AND MOLDED ARTICLE

METHOD FOR PRODUCING FLUORINE-CONTAINING ELASTOMER AQUEOUS DISPERSI...

COMPOSITION FOR FLUORINE RUBBER CROSSLINKING AND MOLDED ARTICLE

METHOD FOR MANUFACTURING FLUORINE-CONTAINING ELASTOMER AQUEOUS DISP...

METHOD FOR PRODUCING AQUEOUS DISPERSION LIQUID OF FLUORINE-CONTAINI...

METHOD FOR PREPARING FLUORINE-CONTAINING ELASTOMER AQUEOUS DISPERSI...

COMPOSITION FOR OPTICAL MATERIAL

METHOD FOR PRODUCING FLUORINE-CONTAINING POLYMER, FLUORINE-CONTAINI...

COMPRESSED MEMBER FOR ELECTROCHEMICAL DEVICE

COMPRESSED MEMBER FOR ELECTROCHEMICAL DEVICE

EPISULFIDE COMPOUND AND COMPOSITION FOR OPTICAL MATERIAL

NOVEL ALLYL COMPOUND AND COMPOSITION FOR OPTICAL MATERIAL

PRODUCTION METHOD FOR 1,2,3,5,6-PENTATHIEPANE

AIR MANAGEMENT SYSTEM MEMBER AND FLUORORUBBER COMPOSITION

COMPOSITION FOR USE AS OPTICAL MATERIAL

OPTICAL MATERIAL COMPOSITION

OPTICAL MATERIAL COMPOSITION

NOVEL THIOL COMPOUND COMPOSITION FOR OPTICAL MATERIAL

LAMINATE

COMPOSITION FOR OPTICAL MATERIAL AND METHOD FOR PRODUCING SAME, AND...

OPTICAL MATERIAL COMPOSITION, AND APPLICATION FOR SAME