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Itoigawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Rubber composition, vulcanized rubber, and molded article of said v...
Patent number
11,390,729
Issue date
Jul 19, 2022
DENKA COMPANY LIMITED
Takashi Sunada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Rubber-based composition modifier, and vulcanizate and molded produ...
Patent number
10,882,985
Issue date
Jan 5, 2021
DENKA COMPANY LIMITED
Naoki Kobayashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Chloroprene rubber composition and vulcanized rubber thereof, and r...
Patent number
9,574,062
Issue date
Feb 21, 2017
DENKA COMPANY LIMITED
Yasushi Abe
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Rubber composition, and vulcanizate and molded article thereof
Patent number
9,522,993
Issue date
Dec 20, 2016
DENKA COMPANY LIMITED
Naoki Kobayashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Chloroprene rubber composition, and vulcanizate and molding thereof
Patent number
9,505,918
Issue date
Nov 29, 2016
DENKA COMPANY LIMITED
Uichiro Yamagishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Sulfur-modified chloroprene rubber composition and molded body
Patent number
9,475,895
Issue date
Oct 25, 2016
DENKA COMPANY LIMITED
Takashi Sunada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Blended rubber, blended rubber composition and vulcanizate
Patent number
9,475,925
Issue date
Oct 25, 2016
DENKA COMPANY LIMITED
Uichiro Yamagishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Sulfur-modified chloroprene rubber, molding thereof, and production...
Patent number
9,328,175
Issue date
May 3, 2016
DENKA COMPANY LIMITED
Naoki Kabayashi
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Laminated body and vulcanizate therefor
Patent number
9,227,380
Issue date
Jan 5, 2016
DENKA COMPANY LIMITED
Takashi Kawasaki
B32 - LAYERED PRODUCTS
Information
Patent Grant
Vulcanizate and process for producing same
Patent number
9,156,961
Issue date
Oct 13, 2015
Denki Kagaku Kogyo Kabushiki Kaisha
Yoshinobu Isono
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Sulfur-modified chloroprene rubber, molded article, and method for...
Patent number
9,080,019
Issue date
Jul 14, 2015
Denki Kagaku Kogyo Kabushiki Kaisha
Takashi Sunada
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Acrylic rubber composition and vulcanized product thereof
Patent number
9,062,239
Issue date
Jun 23, 2015
Denki Kagaku Kogyo Kabushiki Kaisha
Uichiro Yamagishi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Chloroprene rubber and chloroprene rubber composition
Patent number
8,993,661
Issue date
Mar 31, 2015
Denki Kagaku Kogyo Kabushiki Kaisha
Uichiro Yamagishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Acrylic rubber composition and cross-linked product thereof
Patent number
8,658,737
Issue date
Feb 25, 2014
Denki Kagaku Kogyo Kabushiki Kaisha
Uichiro Yamagishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Chloroprene rubber composition and its application
Patent number
8,530,547
Issue date
Sep 10, 2013
Denki Kagaku Kogyo Kabushiki Kaisha
Yasushi Abe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Acrylic rubber composition and its vulcanized product
Patent number
8,012,556
Issue date
Sep 6, 2011
Denki Kagaku Kogyo Kabushiki Kaisha
Uichiro Yamagishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Ethylene-acrylic copolymer rubber composition
Patent number
7,056,986
Issue date
Jun 6, 2006
Denki Kagaku Kogyo Kabushiki Kaisha
Yasuhiro Kanba
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Chloroprene type rubber composition
Patent number
6,495,625
Issue date
Dec 17, 2002
Denki Kagaku Kogyo Kabushiki Kaisha
Yasushi Abe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Acrylic rubber and its composition
Patent number
6,407,179
Issue date
Jun 18, 2002
Denki Kagaku Kogyo Kabushiki Kaisha
Shogo Hagiwara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Acrylic rubber composition
Patent number
4,904,736
Issue date
Feb 27, 1990
Denki Kagaku Kogyo Kabushiki Kaisha
Hiroaki Shimizu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Rubber composition
Patent number
4,792,581
Issue date
Dec 20, 1988
Denki Kagaku Kogyo Kabushiki Kaisha
Takeo Kondo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
VIBRATIONPROOF RUBBER COMPOSITION, VULCANIZED MOLDED BODY, AND VIBR...
Publication number
20220289951
Publication date
Sep 15, 2022
DENKA COMPANY LIMITED
Hiroyuki Ishiguro
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RUBBER COMPOSITION, VULCANIZED RUBBER, AND MOLDED ARTICLE OF SAID V...
Publication number
20210292524
Publication date
Sep 23, 2021
DENKA COMPANY LIMITED
Takashi SUNADA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RUBBER-BASED COMPOSITION MODIFIER, AND VULCANIZATE AND MOLDED PRODU...
Publication number
20180327576
Publication date
Nov 15, 2018
DENKA COMPANY LIMITED
Naoki KOBAYASHI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CHLOROPRENE RUBBER COMPOSITION, VULCANIZED MOLDED ARTICLE, AND ANTI...
Publication number
20170292014
Publication date
Oct 12, 2017
DENKA COMPANY LIMITED
Keiji KITAHARA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
RUBBER BEARING
Publication number
20170211288
Publication date
Jul 27, 2017
DENKA COMPANY LIMITED
Yasushi KAMIHIGASHI
B32 - LAYERED PRODUCTS
Information
Patent Application
BLENDED RUBBER, BLENDED RUBBER COMPOSITION AND VULCANIZATE
Publication number
20160039999
Publication date
Feb 11, 2016
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
Uichiro YAMAGISHI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
BLADDER FOR TIRE VULCANIZATION
Publication number
20150352747
Publication date
Dec 10, 2015
Denki Kagaku Kogyo Kabushiki Kaisha
Satoru IKARI
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
RUBBER COMPOSITION, AND VULCANIZATE AND MOLDED ARTICLE THEREOF
Publication number
20150259520
Publication date
Sep 17, 2015
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
Naoki Kobayashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
SULFUR-MODIFIED CHLOROPRENE RUBBER COMPOSITION AND MOLDED BODY
Publication number
20150203613
Publication date
Jul 23, 2015
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
Takashi Sunada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
VULCANIZATE AND PROCESS FOR PRODUCING SAME
Publication number
20150073086
Publication date
Mar 12, 2015
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
Yoshinobu Isono
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CHLOROPRENE RUBBER AND CHLOROPRENE RUBBER COMPOSITION
Publication number
20140073727
Publication date
Mar 13, 2014
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
Uichiro Yamagishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
SULFUR-MODIFIED CHLOROPRENE RUBBER, MOLDED ARTICLE, AND METHOD FOR...
Publication number
20140005354
Publication date
Jan 2, 2014
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
Takashi Sunada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CHLOROPRENE RUBBER COMPOSITION AND VULCANIZED RUBBER THEREOF, AND R...
Publication number
20130344269
Publication date
Dec 26, 2013
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
Yasushi Abe
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
TIRE BLADDER
Publication number
20130295209
Publication date
Nov 7, 2013
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
Satoru Ikari
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
CHLOROPRENE RUBBER COMPOSITION, AND VULCANIZATE AND MOLDING THEREOF
Publication number
20130253138
Publication date
Sep 26, 2013
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
Uichiro Yamagishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
SULFUR-MODIFIED CHLOROPRENE RUBBER, MOLDING THEREOF, AND PRODUCTION...
Publication number
20130245202
Publication date
Sep 19, 2013
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
Naoki Kabayashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
LAMINATED BODY AND VULCANIZATE THEREFOR
Publication number
20130095328
Publication date
Apr 18, 2013
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
Takashi Kawasaki
B32 - LAYERED PRODUCTS
Information
Patent Application
ACRYLIC RUBBER COMPOSITION, VULCANIZATE, HOSE PART, AND SEALING PART
Publication number
20130090424
Publication date
Apr 11, 2013
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
Satoru Ikari
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ACRYLIC RUBBER COMPOSITION AND CROSS-LINKED PRODUCT THEREOF
Publication number
20120141711
Publication date
Jun 7, 2012
Uichiro Yamagishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
SULFUR-MODIFIED CHLOROPRENE ELASTOMER COMPOSITION AND THE BLEND AND...
Publication number
20120022195
Publication date
Jan 26, 2012
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
Toshiaki Miyauchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ACRYLIC RUBBER COMPOSITION, AND VULCANIZED RUBBER THEREOF AND ITS A...
Publication number
20100227095
Publication date
Sep 9, 2010
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
Toshiaki Miyauchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CHLOROPRENE RUBBER COMPOSITION AND ITS APPLICATION
Publication number
20100209644
Publication date
Aug 19, 2010
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
Yasushi Abe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ACRYLIC RUBBER COMPOSITION AND VULCANIZED PRODUCT THEREOF
Publication number
20100196644
Publication date
Aug 5, 2010
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
Uichiro Yamagishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ACRYLIC RUBBER COMPOSITION AND VULCANIZED PRODUCT
Publication number
20100009105
Publication date
Jan 14, 2010
DENKI KAGAKU KIGYO KABUSHIKI KAISHA
Uichiro Yamagishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Ethylene-acrylic copolymer rubber composition
Publication number
20040266922
Publication date
Dec 30, 2004
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
Yasuhiro Kanba
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...