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Yuhei ISHIGAKI
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Itoigawa-city, Niigata, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Chloroprene/unsaturated nitrile copolymer, chloroprene/unsaturated...
Patent number
11,993,671
Issue date
May 28, 2024
DENKA COMPANY LIMITED
Wataru Nishino
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Chloroprene/unsaturated nitrile copolymer composition and vulcanize...
Patent number
11,965,078
Issue date
Apr 23, 2024
DENKA COMPANY LIMITED
Suguru Onuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing statistical copolymer containing chloroprene m...
Patent number
11,566,087
Issue date
Jan 31, 2023
DENKA COMPANY LIMITED
Wataru Nishino
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Block copolymer and production method for block copolymer
Patent number
11,396,572
Issue date
Jul 26, 2022
DENKA COMPANY LIMITED
Yuhei Ishigaki
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Block copolymer and method for producing block copolymer
Patent number
11,365,276
Issue date
Jun 21, 2022
DENKA COMPANY LIMITED
Wataru Nishino
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Chloroprene polymer and production method therefor
Patent number
11,254,807
Issue date
Feb 22, 2022
DENKA COMPANY LIMITED
Yuhei Ishigaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Chloroprene rubber composition and adhesive composition using said...
Patent number
9,328,228
Issue date
May 3, 2016
DENKA COMPANY LIMITED
Hiroyuki Yashima
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
COMPOSITION, RESIN COMPOSITION, COMPOSITION FOR POSITIVE ELECTRODE,...
Publication number
20230348646
Publication date
Nov 2, 2023
DENKA COMPANY LIMITED
Yuhei ISHIGAKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOSITION, POSITIVE ELECTRODE COMPOSITION, POSITIVE ELECTRODE SLU...
Publication number
20230317951
Publication date
Oct 5, 2023
DENKA COMPANY LIMITED
Ryosuke KANTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOSITION, POSITIVE ELECTRODE COMPOSITION, POSITIVE ELECTRODE SLU...
Publication number
20230275233
Publication date
Aug 31, 2023
DENKA COMPANY LIMITED
Ryosuke KANTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CHLOROPRENE/UNSATURATED NITRILE COPOLYMER COMPOSITION AND VULCANIZE...
Publication number
20220010097
Publication date
Jan 13, 2022
DENKA COMPANY LIMITED
Suguru ONUKI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CHLOROPRENE/UNSATURATED NITRILE COPOLYMER, CHLOROPRENE/UNSATURATED...
Publication number
20210395422
Publication date
Dec 23, 2021
DENKA COMPANY LIMITED
Wataru NISHINO
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
BLOCK COPOLYMER AND PRODUCTION METHOD FOR BLOCK COPOLYMER
Publication number
20200207900
Publication date
Jul 2, 2020
Denka Company Limited
Yuhei ISHIGAKI
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING STATISTICAL COPOLYMER CONTAINING CHLOROPRENE M...
Publication number
20200199260
Publication date
Jun 25, 2020
DENKA COMPANY LIMITED
Wataru NISHINO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CHLOROPRENE POLYMER AND PRODUCTION METHOD THEREFOR
Publication number
20200165421
Publication date
May 28, 2020
Denka Company Limited
Yuhei ISHIGAKI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
BLOCK COPOLYMER AND METHOD FOR PRODUCING BLOCK COPOLYMER
Publication number
20190389994
Publication date
Dec 26, 2019
DENKA COMPANY LIMITED
Wataru NISHINO
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
CHLOROPRENE RUBBER COMPOSITION AND ADHESIVE COMPOSITION USING SAID...
Publication number
20160017130
Publication date
Jan 21, 2016
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
Hiroyuki YASHIMA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...