Kunio Fujita

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Patents Grantslast 30 patents

Information Patent Grant
Filter medium, filtering device using filter medium, and filter med...
- Patent number 10,252,192
- Issue date Apr 9, 2019
- ISHIGAKI Company Limited
- Kunio Fujita
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter medium layer and filter device provided with same
- Patent number 9,718,004
- Issue date Aug 1, 2017
- ISHIGAKI Company Limited
- Kunio Fujita
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Continuous squeeze-dewatering device
- Patent number 6,461,507
- Issue date Oct 8, 2002
- ISHIGAKI Company Limited
- Eiichi Ishigaki
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
INDEFINITE FORM FILTER MEDIUM LAYER AND FILTER DEVICE PROVIDED WITH...
- Publication number 20140291224
- Publication date Oct 2, 2014
- ISHIGAKI COMPANY LIMITED
- Kunio Fujita
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FILTER MEDIUM, FILTERING DEVICE USING FILTER MEDIUM, AND FILTER MED...
- Publication number 20130248439
- Publication date Sep 26, 2013
- ISHIGAKI COMPANY LIMITED
- Kunio Fujita
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL