Yoshihisa Takeyama

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
High-pressure hydrogen apparatus gas seal member and high-pressure...
- Patent number 12,215,825
- Issue date Feb 4, 2025
- Zeon Corporation
- Yoshihisa Takeyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Seal material
- Patent number 12,031,082
- Issue date Jul 9, 2024
- Zeon Corporation
- Yoshihisa Takeyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Gas seal member for high-pressure hydrogen device, and high-pressur...
- Patent number 11,649,387
- Issue date May 16, 2023
- Kyushu University, National University Corporation
- Shin Nishimura
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method of producing slurry, method of producing composite resin mat...
- Patent number 11,584,831
- Issue date Feb 21, 2023
- Zeon Corporation
- Yoshihisa Takeyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Composition for gas seal member and method of producing same, gas s...
- Patent number 11,448,319
- Issue date Sep 20, 2022
- Kyushu University, National University Corporation
- Shin Nishimura
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rubber composition
- Patent number 11,186,698
- Issue date Nov 30, 2021
- Zeon Corporation
- Masahiro Ueno
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of producing composite resin material and method of producin...
- Patent number 11,161,946
- Issue date Nov 2, 2021
- Zeon Corporation
- Yoshihisa Takeyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Fluorinated elastomer composition and shaped article
- Patent number 10,982,083
- Issue date Apr 20, 2021
- Zeon Corporation
- Yoshihisa Takeyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Composition for gas seal member and gas seal member
- Patent number 10,717,850
- Issue date Jul 21, 2020
- ZEON CORPORATION
- Yoshihisa Takeyama
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Ring-opening polymer of cyclopentene and method of production of same
- Patent number 9,045,617
- Issue date Jun 2, 2015
- Zeon Corporation
- Yasuo Tsunogae
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ring-opening polymer of cyclopentene and method of production of same
- Patent number 8,889,806
- Issue date Nov 18, 2014
- Zeon Corporation
- Yasuo Tsunogae
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Stretched film of addition polymer consisting of norbornene compoun...
- Patent number 8,609,005
- Issue date Dec 17, 2013
- Zeon Corporation
- Yoshihisa Takeyama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Film comprising norbornene compound addition polymer
- Patent number 8,013,090
- Issue date Sep 6, 2011
- Zeon Corporation
- Atsushi Ishiguro
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
CARBON FILM
- Publication number 20240140801
- Publication date May 2, 2024
- ZEON CORPORATION
- Tomoko YAMAGISHI
- C01 - INORGANIC CHEMISTRY
Information Patent Application
ELASTOMER COMPOSITION, METHOD OF PRODUCING ELASTOMER COMPOSITION, C...
- Publication number 20230374256
- Publication date Nov 23, 2023
- ZEON CORPORATION
- Masahiro UENO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
HIGH-PRESSURE HYDROGEN APPARATUS GAS SEAL MEMBER AND HIGH-PRESSURE...
- Publication number 20230110350
- Publication date Apr 13, 2023
- ZEON CORPORATION
- Yoshihisa TAKEYAMA
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Application
RUBBER COMPOSITION AND ELECTRODE
- Publication number 20230089301
- Publication date Mar 23, 2023
- ZEON CORPORATION
- Yoshihisa TAKEYAMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CROSSLINKED MATERIAL FOR ENDOSCOPE, ENDOSCOPE, AND COMPOSITION FOR...
- Publication number 20220025152
- Publication date Jan 27, 2022
- FUJIFILM CORPORATION
- Yoshihiro NAKAI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SEAL MATERIAL
- Publication number 20210395586
- Publication date Dec 23, 2021
- ZEON CORPORATION
- Yoshihisa TAKEYAMA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
UNCROSSLINKED ELASTOMER COMPOSITION AND CROSSLINKED PRODUCT OF SAME
- Publication number 20210002462
- Publication date Jan 7, 2021
- ZEON CORPORATION
- Masahiro UENO
- B82 - NANO-TECHNOLOGY
Information Patent Application
RUBBER COMPOSITION
- Publication number 20200255622
- Publication date Aug 13, 2020
- ZEON CORPORATION
- Masahiro UENO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
GAS SEAL MEMBER FOR HIGH-PRESSURE HYDROGEN DEVICE, AND HIGH-PRESSUR...
- Publication number 20200224070
- Publication date Jul 16, 2020
- KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
- Shin NISHIMURA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COMPOSITION FOR GAS SEAL MEMBER AND METHOD OF PRODUCING SAME, GAS S...
- Publication number 20200041000
- Publication date Feb 6, 2020
- KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
- Shin NISHIMURA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
METHOD OF PRODUCING COMPOSITE RESIN MATERIAL AND METHOD OF PRODUCIN...
- Publication number 20200024409
- Publication date Jan 23, 2020
- Zeon Corporation
- Yoshihisa TAKEYAMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SLURRY, METHOD OF PRODUCING COMPOSITE RESIN MATERIAL, AND METHOD OF...
- Publication number 20190276610
- Publication date Sep 12, 2019
- ZEON CORPORATION
- Yoshihisa TAKEYAMA
- B82 - NANO-TECHNOLOGY
Information Patent Application
METHOD OF PRODUCING SLURRY, METHOD OF PRODUCING COMPOSITE RESIN MAT...
- Publication number 20190276613
- Publication date Sep 12, 2019
- ZEON CORPORATION
- Yoshihisa TAKEYAMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
FLUORINATED ELASTOMER COMPOSITION AND SHAPED ARTICLE
- Publication number 20190112465
- Publication date Apr 18, 2019
- ZEON CORPORATION
- Yoshihisa TAKEYAMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ELECTROMAGNETIC WAVE ABSORPTION MATERIAL, ELECTROMAGNETIC WAVE ABSO...
- Publication number 20180375215
- Publication date Dec 27, 2018
- ZEON CORPORATION
- Tsutomu NAGAMUNE
- B82 - NANO-TECHNOLOGY
Information Patent Application
COMPOSITION FOR GAS SEAL MEMBER AND GAS SEAL MEMBER
- Publication number 20180362734
- Publication date Dec 20, 2018
- ZEON CORPORATION
- Yoshihisa TAKEYAMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD OF PRODUCTION OF NITRILE COPOLYMER RUBBER COMPOSITION
- Publication number 20150099841
- Publication date Apr 9, 2015
- ZEON CORPORATION
- Akira Tsukada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
NITRILE COPOLYMER RUBBER COMPOSITION AND CROSS-LINKED RUBBER
- Publication number 20140220279
- Publication date Aug 7, 2014
- Akira Tsukada
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
RING-OPENING POLYMER OF CYCLOPENTENE AND METHOD OF PRODUCTION OF SAME
- Publication number 20120296035
- Publication date Nov 22, 2012
- ZEON CORPORATION
- Yasuo Tsunogae
- B60 - VEHICLES IN GENERAL
Information Patent Application
RING-OPENING POLYMER OF CYCLOPENTENE AND METHOD OF PRODUCTION OF SAME
- Publication number 20120289646
- Publication date Nov 15, 2012
- Zeon Corporation
- Yasuo Tsunogae
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Norbornene Compound Addition Polymer Film, Process for Production T...
- Publication number 20090297870
- Publication date Dec 3, 2009
- Zeon Corporation
- Yoshihisa Takeyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Film Comprising Norbornene Compound Addition Polymer
- Publication number 20090275719
- Publication date Nov 5, 2009
- Zeon Corporation
- Atsushi Ishiguro
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
STRETCHED FILM OF ADDITION POLYMER CONSISTING OF NORBORNENE COMPOUN...
- Publication number 20090182117
- Publication date Jul 16, 2009
- Zeon Corporation
- Yoshihisa Takeyama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Yoshihisa Takeyama

Person

Patents Grantslast 30 patents

High-pressure hydrogen apparatus gas seal member and high-pressure...

Seal material

Gas seal member for high-pressure hydrogen device, and high-pressur...

Method of producing slurry, method of producing composite resin mat...

Composition for gas seal member and method of producing same, gas s...

Rubber composition

Method of producing composite resin material and method of producin...

Fluorinated elastomer composition and shaped article

Composition for gas seal member and gas seal member

Ring-opening polymer of cyclopentene and method of production of same

Ring-opening polymer of cyclopentene and method of production of same

Stretched film of addition polymer consisting of norbornene compoun...

Film comprising norbornene compound addition polymer

Patents Applicationslast 30 patents

CARBON FILM

ELASTOMER COMPOSITION, METHOD OF PRODUCING ELASTOMER COMPOSITION, C...

HIGH-PRESSURE HYDROGEN APPARATUS GAS SEAL MEMBER AND HIGH-PRESSURE...

RUBBER COMPOSITION AND ELECTRODE

CROSSLINKED MATERIAL FOR ENDOSCOPE, ENDOSCOPE, AND COMPOSITION FOR...

SEAL MATERIAL

UNCROSSLINKED ELASTOMER COMPOSITION AND CROSSLINKED PRODUCT OF SAME

RUBBER COMPOSITION

GAS SEAL MEMBER FOR HIGH-PRESSURE HYDROGEN DEVICE, AND HIGH-PRESSUR...

COMPOSITION FOR GAS SEAL MEMBER AND METHOD OF PRODUCING SAME, GAS S...

METHOD OF PRODUCING COMPOSITE RESIN MATERIAL AND METHOD OF PRODUCIN...

SLURRY, METHOD OF PRODUCING COMPOSITE RESIN MATERIAL, AND METHOD OF...

METHOD OF PRODUCING SLURRY, METHOD OF PRODUCING COMPOSITE RESIN MAT...

FLUORINATED ELASTOMER COMPOSITION AND SHAPED ARTICLE

ELECTROMAGNETIC WAVE ABSORPTION MATERIAL, ELECTROMAGNETIC WAVE ABSO...

COMPOSITION FOR GAS SEAL MEMBER AND GAS SEAL MEMBER

METHOD OF PRODUCTION OF NITRILE COPOLYMER RUBBER COMPOSITION

NITRILE COPOLYMER RUBBER COMPOSITION AND CROSS-LINKED RUBBER

RING-OPENING POLYMER OF CYCLOPENTENE AND METHOD OF PRODUCTION OF SAME

RING-OPENING POLYMER OF CYCLOPENTENE AND METHOD OF PRODUCTION OF SAME

Norbornene Compound Addition Polymer Film, Process for Production T...

Film Comprising Norbornene Compound Addition Polymer

STRETCHED FILM OF ADDITION POLYMER CONSISTING OF NORBORNENE COMPOUN...