Masafumi TAN

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Screw type separation device and wastewater treatment system
- Patent number 11,655,175
- Issue date May 23, 2023
- Metawater Co., Ltd.
- Yoshiyuki Sugawara
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
SEPARATION DEVICE
- Publication number 20230173778
- Publication date Jun 8, 2023
- Metawater Co., Ltd.
- Masafumi TAN
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SCREW TYPE SEPARATION DEVICE AND WASTEWATER TREATMENT SYSTEM
- Publication number 20210087095
- Publication date Mar 25, 2021
- Metawater Co., Ltd.
- Yoshiyuki SUGAWARA
- B30 - PRESSES