Masayuki ARAKAWA

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Ichihara-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing polyolefin
- Patent number 10,815,315
- Issue date Oct 27, 2020
- Sumitomo Chemical Company, Limited
- Naoto Yoshimura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for producing heterophasic propylene polymer material
- Patent number 10,815,319
- Issue date Oct 27, 2020
- Sumitomo Chemical Company, Limited
- Masayuki Arakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
System for producing polyolefin, method of producing polyolefin, an...
- Patent number 10,537,871
- Issue date Jan 21, 2020
- Sumitomo Chemical Company, Limited
- Satoshi Itoguchi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING HETEROPHASIC PROPYLENE POLYMER MATERIAL
- Publication number 20200181297
- Publication date Jun 11, 2020
- Sumitomo Chemical Company, Limited
- Masayuki ARAKAWA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING POLYOLEFIN
- Publication number 20190062463
- Publication date Feb 28, 2019
- Sumitomo Chemical Company, Limited
- Naoto YOSHIMURA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SYSTEM FOR PRODUCING POLYOLEFIN, METHOD OF PRODUCING POLYOLEFIN, AN...
- Publication number 20180036708
- Publication date Feb 8, 2018
- Sumitomo Chemical Company, Limited
- Satoshi ITOGUCHI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL