Ryousuke Asakawa

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ethylene-based polymer, polyethylene-based resin composition and us...
- Patent number 11,643,485
- Issue date May 9, 2023
- JAPAN POLYETHYLENE CORPORATION
- Yoshiyuki Ishihama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ethylene-based polymer, polyethylene-based resin composition and us...
- Patent number 10,633,471
- Issue date Apr 28, 2020
- JAPAN POLYETHYLENE CORPORATION
- Yoshiyuki Ishihama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ethylene-based polymer, polyethylene-based resin composition and us...
- Patent number 9,975,972
- Issue date May 22, 2018
- JAPAN POLYETHYLENE CORPORATION
- Yoshiyuki Ishihama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ethylene-based polymer, polyethylene-based resin composition and us...
- Patent number 9,309,340
- Issue date Apr 12, 2016
- Japan Polyethylene Corporation
- Yoshiyuki Ishihama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
ETHYLENE-BASED POLYMER, POLYETHYLENE-BASED RESIN COMPOSITION AND US...
- Publication number 20200031965
- Publication date Jan 30, 2020
- JAPAN POLYETHYLENE CORPORATION
- Yoshiyuki Ishihama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ETHYLENE-BASED POLYMER, POLYETHYLENE-BASED RESIN COMPOSITION AND US...
- Publication number 20180237565
- Publication date Aug 23, 2018
- JAPAN POLYETHYLENE CORPORATION
- Yoshiyuki Ishihama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ETHYLENE-BASED POLYMER, POLYETHYLENE-BASED RESIN COMPOSITION AND US...
- Publication number 20160244544
- Publication date Aug 25, 2016
- JAPAN POLYETHYLENE CORPORATION
- Yoshiyuki Ishihama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ETHYLENE-BASED POLYMER, POLYETHYLENE-BASED RESIN COMPOSITION AND US...
- Publication number 20140194277
- Publication date Jul 10, 2014
- JAPAN POLYETHYLENE CORPORATION
- Yoshiyuki Ishihama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...