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Shojiro KAITA
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Oizumi-machi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for manufacturing copolymer
Patent number
12,152,096
Issue date
Nov 26, 2024
Bridgestone Corporation
Shigenaga Takano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polybutadiene, method of producing polybutadiene, polybutadiene com...
Patent number
12,084,536
Issue date
Sep 10, 2024
Bridgestone Corporation
Shigenaga Takano
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Polymerization catalyst composition, polymer manufacturing method,...
Patent number
11,472,907
Issue date
Oct 18, 2022
Bridgestone Corporation
Shigenaga Takano
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Production method for copolymer, copolymer, rubber composition, and...
Patent number
11,279,785
Issue date
Mar 22, 2022
Bridgestone Corporation
Shigenaga Takano
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Terminal-modified conjugated diene polymer, rubber composition and...
Patent number
10,875,937
Issue date
Dec 29, 2020
Bridgestone Corporation
Yusuke Yamagata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Multi-component copolymer, rubber composition, crosslinked rubber c...
Patent number
10,875,952
Issue date
Dec 29, 2020
Bridgestone Corporation
Kyohei Kotani
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Multi-component copolymer, rubber composition, crosslinked rubber c...
Patent number
10,793,658
Issue date
Oct 6, 2020
Bridgestone Corporation
Madoka Kimura
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method for manufacturing conjugated diene polymer, conjugated diene...
Patent number
10,239,964
Issue date
Mar 26, 2019
Bridgestone Corporation
Yusuke Yamagata
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method for preparing terminal-modified conjugated diene polymer, te...
Patent number
10,131,722
Issue date
Nov 20, 2018
Bridgestone Corporation
Narukuni Hirata
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Rubber composition and tire containing rubber composition
Patent number
10,087,312
Issue date
Oct 2, 2018
Bridgestone Corporation
Junko Matsushita
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method for producing a multicomponent copolymer
Patent number
10,053,530
Issue date
Aug 21, 2018
Bridgestone Corporation
Shigeki Oishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Isoprene polymerization catalyst composition, method for producing...
Patent number
9,938,362
Issue date
Apr 10, 2018
Bridgestone Corporation
Shojiro Kaita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymerization catalyst composition, method for producing synthetic...
Patent number
9,796,801
Issue date
Oct 24, 2017
Bridgestone Corporation
Shojiro Kaita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Isoprene copolymer and method of producing the same
Patent number
9,777,101
Issue date
Oct 3, 2017
Bridgestone Corporation
Satoru Tamaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for manufacturing polymer composition and the polymer compos...
Patent number
9,714,338
Issue date
Jul 25, 2017
Bridgestone Corporation
Satoru Tamaki
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Copolymer, rubber composition, crosslinked rubber composition and tire
Patent number
9,701,776
Issue date
Jul 11, 2017
Bridgestone Corporation
Yasuo Horikawa
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method for manufacturing a hydroxy group terminated olefin or conju...
Patent number
9,688,798
Issue date
Jun 27, 2017
Bridgestone Corporation
Shojiro Kaita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Copolymer, rubber composition, crosslinked rubber composition, and...
Patent number
9,670,302
Issue date
Jun 6, 2017
Bridgestone Corporation
Yasuo Horikawa
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Polymer and method for producing same, rubber composition containin...
Patent number
9,540,464
Issue date
Jan 10, 2017
Bridgestone Corporation
Junko Matsushita
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Polymer, rubber composition containing polymer, crosslinked rubber...
Patent number
9,499,647
Issue date
Nov 22, 2016
Bridgestone Corporation
Junko Matsushita
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Polymerization catalyst composition, method for producing synthetic...
Patent number
9,365,666
Issue date
Jun 14, 2016
Bridgestone Corporation
Shojiro Kaita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing copolymer
Patent number
9,346,907
Issue date
May 24, 2016
Bridgestone Corporation
Shojiro Kaita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing polymerization catalyst composition, polymeriz...
Patent number
9,284,384
Issue date
Mar 15, 2016
Bridgestone Corporation
Junko Matsushita
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Copolymer and method of manufacturing the same
Patent number
9,266,978
Issue date
Feb 23, 2016
Bridgestone Corporation
Shojiro Kaita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Rubber composition, rubber composition for tire side use, crosslink...
Patent number
9,212,274
Issue date
Dec 15, 2015
Bridgestone Corporation
Junko Matsushita
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Copolymer, rubber composition, crosslinked rubber composition, and...
Patent number
9,181,376
Issue date
Nov 10, 2015
Bridgestone Corporation
Yasuo Horikawa
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Copolymer, rubber composition, crosslinked rubber composition, and...
Patent number
9,139,680
Issue date
Sep 22, 2015
Bridgestone Corporation
Yasuo Horikawa
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Copolymer of conjugated diene compound and non-conjugated olefin, r...
Patent number
9,074,035
Issue date
Jul 7, 2015
Bridgestone Corporation
Shojiro Kaita
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Copolymer of a conjugated diene compound and a non-conjugated olefi...
Patent number
9,056,936
Issue date
Jun 16, 2015
Bridgestone Corporation
Yasuo Horikawa
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Copolymer of conjugated diene compound and non-conjugated olefin, r...
Patent number
8,987,347
Issue date
Mar 24, 2015
Bridgestone Corporation
Yasuo Horikawa
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR MANUFACTURING COPOLYMER
Publication number
20220220238
Publication date
Jul 14, 2022
Bridgestone Corporation
Shigenaga TAKANO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYBUTADIENE, METHOD OF PRODUCING POLYBUTADIENE, POLYBUTADIENE COM...
Publication number
20210395407
Publication date
Dec 23, 2021
Bridgestone Corporation
Shigenaga TAKANO
B60 - VEHICLES IN GENERAL
Information
Patent Application
PRODUCTION METHOD FOR COPOLYMER, COPOLYMER, RUBBER COMPOSITION, AND...
Publication number
20210061936
Publication date
Mar 4, 2021
Bridgestone Corporation
Shigenaga TAKANO
B60 - VEHICLES IN GENERAL
Information
Patent Application
POLYMERIZATION CATALYST COMPOSITION, POLYMER MANUFACTURING METHOD,...
Publication number
20200347169
Publication date
Nov 5, 2020
Bridgestone Corporation
Shigenaga TAKANO
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD OF PRODUCING MODIFIED CONJUGATED DIENE-BASED POLYMER, MODIFI...
Publication number
20190375923
Publication date
Dec 12, 2019
Bridgestone Corporation
Yusuke YAMAGATA
B60 - VEHICLES IN GENERAL
Information
Patent Application
TERMINAL-MODIFIED CONJUGATED DIENE POLYMER, RUBBER COMPOSITION, RUB...
Publication number
20190161571
Publication date
May 30, 2019
Bridgestone Corporation
Yusuke YAMAGATA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
TERMINAL-MODIFIED CONJUGATED DIENE POLYMER, RUBBER COMPOSITION AND...
Publication number
20190153123
Publication date
May 23, 2019
Bridgestone Corporation
Yusuke YAMAGATA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RUBBER COMPOSITION, CROSSLINKED RUBBER COMPOSITION AND RUBBER PRODUCT
Publication number
20190055395
Publication date
Feb 21, 2019
Bridgestone Corporation
Yusuke YAMAGATA
B60 - VEHICLES IN GENERAL
Information
Patent Application
MULTI-COMPONENT COPOLYMER, RUBBER COMPOSITION, CROSSLINKED RUBBER C...
Publication number
20180298135
Publication date
Oct 18, 2018
Bridgestone Corporation
Madoka KIMURA
B60 - VEHICLES IN GENERAL
Information
Patent Application
MULTI-COMPONENT COPOLYMER, RUBBER COMPOSITION, CROSSLINKED RUBBER C...
Publication number
20180298136
Publication date
Oct 18, 2018
Bridgestone Corporation
Kyohei KOTANI
B60 - VEHICLES IN GENERAL
Information
Patent Application
RUBBER COMPOSITION AND TIRE CONTAINING RUBBER COMPOSITION
Publication number
20180094124
Publication date
Apr 5, 2018
Bridgestone Corporation
Junko MATSUSHITA
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD FOR PREPARING TERMINAL-MODIFIED CONJUGATED DIENE POLYMER, TE...
Publication number
20170275400
Publication date
Sep 28, 2017
Bridgestone Corporation
Narukuni HIRATA
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD FOR MANUFACTURING CONJUGATED DIENE POLYMER, CONJUGATED DIENE...
Publication number
20170233504
Publication date
Aug 17, 2017
Bridgestone Corporation
Yusuke YAMAGATA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCING A MULTICOMPONENT COPOLYMER
Publication number
20170129981
Publication date
May 11, 2017
Bridgestone Corporation
Shigeki OISHI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZATION CATALYST COMPOSITION, METHOD FOR PRODUCING SYNTHETIC...
Publication number
20150368382
Publication date
Dec 24, 2015
Bridgestone Corporation
Shojiro KAITA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ISOPRENE POLYMERIZATION CATALYST COMPOSITION, METHOD FOR PRODUCING...
Publication number
20150368383
Publication date
Dec 24, 2015
BRIDGESTONE CORPORATION
Shojiro Kaita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ISOPRENE COPOLYMER AND METHOD OF PRODUCING THE SAME
Publication number
20150232602
Publication date
Aug 20, 2015
Bridgestone Corporation
Satoru Tamaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR MANUFACTURING POLYMER COMPOSITION AND THE POLYMER COMPOS...
Publication number
20150197630
Publication date
Jul 16, 2015
BRIDGESTONE CORPORATION
Satoru Tamaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZATION CATALYST COMPOSITION, METHOD FOR PRODUCING SYNTHETIC...
Publication number
20150126695
Publication date
May 7, 2015
Bridgestone Corporation
Shojiro Kaita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCING POLYMERIZATION CATALYST COMPOSITION, POLYMERIZ...
Publication number
20150112021
Publication date
Apr 23, 2015
BRIDGESTONE CORPORATION
Junko Matsushita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RUBBER COMPOSITION AND TIRE CONTAINING RUBBER COMPOSITION
Publication number
20150080525
Publication date
Mar 19, 2015
BRIDGESTONE CORPORATION
Junko Matsushita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMER, RUBBER COMPOSITION CONTAINING POLYMER, CROSSLINKED RUBBER...
Publication number
20150025173
Publication date
Jan 22, 2015
Bridgestone Corporation
Junko Matsushita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMER AND METHOD FOR PRODUCING SAME, RUBBER COMPOSITION CONTAININ...
Publication number
20150011701
Publication date
Jan 8, 2015
BRIDGESTONE CORPORATION
Junko Matsushita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCING COPOLYMER
Publication number
20140371408
Publication date
Dec 18, 2014
Shojiro KAITA
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
COPOLYMER, RUBBER COMPOSITION, CROSSLINKED RUBBER COMPOSITION, AND...
Publication number
20140179861
Publication date
Jun 26, 2014
BRIDGESTONE CORPORATION
Yasuo Horikawa
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD FOR MANUFACTURING POLYMER
Publication number
20140171596
Publication date
Jun 19, 2014
BRIDGESTONE CORPORATION
Shojiro Kaita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
COPOLYMER, RUBBER COMPOSITION, CROSSLINKED RUBBER COMPOSITION AND TIRE
Publication number
20140018493
Publication date
Jan 16, 2014
BRIDGESTONE CORPORATION
Yasuo Horikawa
B60 - VEHICLES IN GENERAL
Information
Patent Application
COPOLYMER OF CONJUGATED DIENE COMPOUND AND NON-CONJUGATED OLEFIN, R...
Publication number
20140005296
Publication date
Jan 2, 2014
BRIDGESTONE CORPORATION
Yasuo Horikawa
B60 - VEHICLES IN GENERAL
Information
Patent Application
COPOLYMER, RUBBER COMPOSITION, RUBBER COMPOSITION FOR TIRE SIDE USE...
Publication number
20140005321
Publication date
Jan 2, 2014
BRIDGESTONE CORPORATION
Yasuo Horikawa
B60 - VEHICLES IN GENERAL
Information
Patent Application
COPOLYMER, RUBBER COMPOSITION, CROSSLINKED RUBBER COMPOSITION AND TIRE
Publication number
20140005327
Publication date
Jan 2, 2014
BRIDGESTONE CORPORATION
Yasuo Horikawa
B60 - VEHICLES IN GENERAL