Takahito Nakao

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Otsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hollow fiber membrane and method for producing hollow fiber membrane
- Patent number 12,048,898
- Issue date Jul 30, 2024
- TOYOBO MC CORPORATION
- Takahito Nakao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Hollow fiber membrane element, hollow fiber membrane module, and me...
- Patent number 11,944,939
- Issue date Apr 2, 2024
- TOYOBO MC CORPORATION
- Takahito Nakao
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Hollow fiber membrane module
- Patent number D972691
- Issue date Dec 13, 2022
- Toyobo Co., Ltd.
- Takahito Nakao
- D23 - Environmental heating and cooling
Information Patent Grant
Separation membrane, separation membrane element and separation mem...
- Patent number 10,814,289
- Issue date Oct 27, 2020
- TOYOBO CO., LTD.
- Takahito Nakao
- 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
CONCENTRATION DEVICE
- Publication number 20240123406
- Publication date Apr 18, 2024
- TOYOBO MC Corporation
- Daiki Kohno
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HOLLOW FIBER MEMBRANE AND METHOD FOR PRODUCING HOLLOW FIBER MEMBRANE
- Publication number 20220134289
- Publication date May 5, 2022
- TOYOBO CO., LTD.
- Takahito Nakao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HOLLOW FIBER MEMBRANE ELEMENT, HOLLOW FIBER MEMBRANE MODULE, AND ME...
- Publication number 20210379534
- Publication date Dec 9, 2021
- TOYOBO CO., LTD.
- Takahito Nakao
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SEPARATION MEMBRANE, SEPARATION MEMBRANE ELEMENT AND SEPARATION MEM...
- Publication number 20170296985
- Publication date Oct 19, 2017
- TOYOBO CO., LTD.
- Takahito Nakao
- 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