Takashi Ohkame

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Otsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Composite separation membrane
- Patent number 10,780,403
- Issue date Sep 22, 2020
- TOYOBO CO., LTD.
- Takashi Ohkame
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Composite separation membrane
- Patent number 10,625,217
- Issue date Apr 21, 2020
- Toyobo Co., Ltd.
- Takashi Ohkame
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
POLYPHENYLENE-BASED SEMIPERMEABLE MEMBRANE AND MANUFACTURING METHOD...
- Publication number 20230149859
- Publication date May 18, 2023
- TOYOBO CO., LTD.
- Masafumi Shibuya
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
COMPOSITE MEMBRANE AND METHOD FOR PRODUCING COMPOSITE MEMBRANE
- Publication number 20220288539
- Publication date Sep 15, 2022
- TOYOBO CO., LTD.
- Takashi Ohkame
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
COMPOSITE SEPARATION MEMBRANE
- Publication number 20190076791
- Publication date Mar 14, 2019
- TOYOBO CO., LTD.
- Takashi Ohkame
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
COMPOSITE SEPARATION MEMBRANE
- Publication number 20150314245
- Publication date Nov 5, 2015
- TOYOBO CO., LTD.
- Takahito Nakao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
COMPOSITE SEPARATION MEMBRANE
- Publication number 20150209736
- Publication date Jul 30, 2015
- TOYOBO CO., LTD.
- Takashi Ohkame
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL