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Hisakatsu HAMA
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Ichihara-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing conjugated diene rubber
Patent number
11,873,364
Issue date
Jan 16, 2024
Zeon Corporation
Takuro Sakurai
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Modified conjugated diene rubber
Patent number
11,566,094
Issue date
Jan 31, 2023
Zeon Corporation
Takuro Sakurai
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Conjugated-diene-based rubber
Patent number
11,530,287
Issue date
Dec 20, 2022
Zeon Corporation
Takuro Sakurai
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Molded article comprising polypropylene resin composition
Patent number
9,238,726
Issue date
Jan 19, 2016
Sumitomo Chemical Company, Limited
Hisakatsu Hama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Modified conjugated diene-based polymer, polymer composition, and p...
Patent number
9,045,622
Issue date
Jun 2, 2015
Sumitomo Chemical Company, Limited
Hisakatsu Hama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing a rubber composition
Patent number
9,023,937
Issue date
May 5, 2015
Sumitomo Chemical Company, Limited
Takuya Sudo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Resin composition and lighting fixture components made of the same
Patent number
8,895,644
Issue date
Nov 25, 2014
Sumitomo Chemical Company, Limited
Kenji Atarashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Modified conjugated diene-based polymer, polymer composition, and p...
Patent number
8,809,449
Issue date
Aug 19, 2014
Sumitomo Chemical Company, Limited
Hisakatsu Hama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing a thermoplastic polymer material
Patent number
8,664,301
Issue date
Mar 4, 2014
Sumitomo Chemical Company, Limited
Hisakatsu Hama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing modified conjugated diene-based polymer, and m...
Patent number
8,598,274
Issue date
Dec 3, 2013
Sumitomo Chemical Company, Limited
Naoaki Maeda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing devolatilized polyolefin and molded article of...
Patent number
8,461,279
Issue date
Jun 11, 2013
Sumitomo Chemical Company, Limited
Hisakatsu Hama
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Resin composition
Patent number
8,188,189
Issue date
May 29, 2012
Sumitomo Chemical Company, Limited
Kenji Sogoh
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing ethylene-α-olefin copolymer
Patent number
7,807,760
Issue date
Oct 5, 2010
Sumitomo Chemical Company, Limited
Hisakatsu Hama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing olefin polymer
Patent number
7,504,462
Issue date
Mar 17, 2009
Sumitomo Cheimcal Company, Limited
Hisakatsu Hama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing ethylene-α-olefin-polyene copolymer
Patent number
7,482,409
Issue date
Jan 27, 2009
Sumitomo Chemical Company, Limited
Hisakatsu Hama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
CONJUGATED-DIENE-BASED POLYMER, COMPOSITION OF CONJUGATED-DIENE-BAS...
Publication number
20230130221
Publication date
Apr 27, 2023
ZS ELASTOMERS CO., LTD.
Jesus RODRIGUEZ CASTANON
B60 - VEHICLES IN GENERAL
Information
Patent Application
CONJUGATED DIENE COPOLYMER AND METHOD FOR MANUFACTURING CONJUGATED...
Publication number
20220185919
Publication date
Jun 16, 2022
ZS ELASTOMERS CO., LTD.
Hiroshi AOSHIMA
B60 - VEHICLES IN GENERAL
Information
Patent Application
RUBBER COMPOSITION AND METHOD FOR PRODUCING RUBBER COMPOSITION
Publication number
20220153970
Publication date
May 19, 2022
ZS ELASTOMERS CO., LTD.
Yoshitaka SUGINO
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING CONJUGATED DIENE RUBBER
Publication number
20210017321
Publication date
Jan 21, 2021
Zeon Corporation
Takuro SAKURAI
B60 - VEHICLES IN GENERAL
Information
Patent Application
MODIFIED CONJUGATED DIENE RUBBER
Publication number
20200283556
Publication date
Sep 10, 2020
Zeon Corporation
Takuro SAKURAI
B60 - VEHICLES IN GENERAL
Information
Patent Application
CONJUGATED-DIENE-BASED RUBBER
Publication number
20200262961
Publication date
Aug 20, 2020
Zeon Corporation
Takuro SAKURAI
B60 - VEHICLES IN GENERAL
Information
Patent Application
MODIFIED CONJUGATED DIENE-BASED POLYMER, POLYMER COMPOSITION, AND P...
Publication number
20140329963
Publication date
Nov 6, 2014
Hisakatsu HAMA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
MOLDED ARTICLE COMPRISING POLYPROPYLENE RESIN COMPOSITION
Publication number
20130189462
Publication date
Jul 25, 2013
Sumitomo Chemical Company, Limited
Hisakatsu HAMA
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
OLEFIN POLYMERIZATION CATALYST, PROCESS FOR PRODUCING OLEFIN POLYME...
Publication number
20130109789
Publication date
May 2, 2013
Sumitomo Chemical Company, Limited
Hirofumi HAMAKI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCING MODIFIED CONJUGATED DIENE-BASED POLYMER, AND M...
Publication number
20130018151
Publication date
Jan 17, 2013
Sumitomo Chemical Company, Limited
Naoaki MAEDA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCING DEVOLATILIZED POLYOLEFIN AND MOLDED ARTICLE OF...
Publication number
20130012676
Publication date
Jan 10, 2013
Sumitomo Chemical Company, Limited
Hisakatsu HAMA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING A RUBBER COMPOSITION
Publication number
20120309894
Publication date
Dec 6, 2012
Sumitomo Chemical Company, Limited
Takuya SUDO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RESIN COMPOSITION AND LIGHTING FIXTURE COMPONENTS MADE OF THE SAME
Publication number
20120238674
Publication date
Sep 20, 2012
Sumitomo Chemical Company, Limited
Kenji ATARASHI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
MODIFIED CONJUGATED DIENE-BASED POLYMER, POLYMER COMPOSITION, AND P...
Publication number
20120041140
Publication date
Feb 16, 2012
Sumitomo Chemical Company, Limited
Hisakatsu HAMA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCING A THERMOPLASTIC POLYMER MATERIAL
Publication number
20110245382
Publication date
Oct 6, 2011
Sumitomo Chemical Company, Limited
Hisakatsu HAMA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCING CONJUGATED DIENE POLYMER COMPOSITION
Publication number
20110245398
Publication date
Oct 6, 2011
Sumitomo Chemical Company, Limited
Hisakatsu HAMA
B60 - VEHICLES IN GENERAL
Information
Patent Application
RESIN COMPOSITION
Publication number
20110046312
Publication date
Feb 24, 2011
SUMITOMO CHEMICAL COMPANY, LIMITED
Kenji Sogoh
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR PRODUCING ETHYLENE-ALPHA-OLEFIN COPOLYMER
Publication number
20080214746
Publication date
Sep 4, 2008
Sumitomo Chemical Company, Limited
Hisakatsu Hama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR PRODUCING ETHYLENE -ALPHA- OLEFIN COPOLYMER
Publication number
20080207852
Publication date
Aug 28, 2008
Sumitomo Chemical Company, Limited
Hisakatsu HAMA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR PRODUCING ETHYLENE -ALPHA- OLEFIN-POLYENE COPOLYMER
Publication number
20080182947
Publication date
Jul 31, 2008
Sumitomo Chemical Company, Limited
Hisakatsu HAMA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR PRODUCING OLEFIN POLYMER
Publication number
20080182949
Publication date
Jul 31, 2008
Sumitomo Chemical Company, Limited
Hisakatsu HAMA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...