Naotaka Oyabu

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Kyoto-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polymer membrane for water treatment and method for manufacture of...
- Patent number 9,855,531
- Issue date Jan 2, 2018
- Sekisui Chemical Co., Ltd.
- Toshihiro Tamai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Polymer membrane for water treatment and method for manufacture of...
- Patent number 9,193,815
- Issue date Nov 24, 2015
- Sekisui Chemical Co., Ltd.
- Toshihiro Tamai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer membrane for water treatment
- Patent number 8,181,795
- Issue date May 22, 2012
- Sekisui Chemical Co., Ltd.
- Toshihiro Tamai
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
POLYMER MEMBRANE FOR WATER TREATMENT AND METHOD FOR MANUFACTURE OF...
- Publication number 20160030892
- Publication date Feb 4, 2016
- Sekisui Chemical Co., Ltd
- Toshihiro TAMAI
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
POLYMER MEMBRANE FOR WATER TREATMENT AND METHOD FOR MANUFACTURE OF...
- Publication number 20120325746
- Publication date Dec 27, 2012
- Toshihiro Tamai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
POLYMER MEMBRANE FOR WATER TREATMENT AND METHOD FOR MANUFACTURE OF...
- Publication number 20120318730
- Publication date Dec 20, 2012
- SEKISUI CHEMICAL CO., LTD.
- Toshihiro Tamai
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
POLYMER MEMBRANE FOR WATER TREATMENT
- Publication number 20120097605
- Publication date Apr 26, 2012
- Toshihiro Tamai
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL