Masanori NAGAFUJI

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ballast water treatment device and ballast water treatment method
- Patent number 10,669,173
- Issue date Jun 2, 2020
- JFE Engineering Corporation
- Shigeki Fujiwara
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Filtration device and filter element
- Patent number 10,052,574
- Issue date Aug 21, 2018
- Fuji Filter Manufacturing Co., Ltd.
- Yuichi Takahashi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filtration device
- Patent number 10,046,253
- Issue date Aug 14, 2018
- Fuji Filter Manufacturing Co., Ltd.
- Yuichi Takahashi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
BALLAST WATER TREATMENT DEVICE AND BALLAST WATER TREATMENT METHOD
- Publication number 20190202721
- Publication date Jul 4, 2019
- JFE Engineering Corporation
- Shigeki Fujiwara
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
FILTRATION DEVICE
- Publication number 20160250572
- Publication date Sep 1, 2016
- FUJI FILTER MANUFACTURING CO., LTD.
- Yuichi TAKAHASHI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FILTRATION DEVICE AND FILTER ELEMENT
- Publication number 20160228801
- Publication date Aug 11, 2016
- FUJI FILTER MANUFACTURING CO., LTD.
- Yuichi TAKAHASHI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL