Yoshihiko Nakayama

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Aichi Pref, JP

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Patents Grantslast 30 patents

Information Patent Grant
Floating filter media filtration system with backwash
- Patent number 10,407,317
- Issue date Sep 10, 2019
- Metawater Co., Ltd.
- Atsushi Miyata
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
High rate filter and high rate filtration method using the filter
- Patent number 6,841,069
- Issue date Jan 11, 2005
- NGK Insulators, Ltd.
- Yoshihiko Nakayama
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Rainwater-treating apparatus in combined sewer system and backwashi...
- Patent number 6,821,445
- Issue date Nov 23, 2004
- NGK Insulators, Ltd.
- Atsushi Miyata
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
FILTRATION SYSTEM
- Publication number 20130299409
- Publication date Nov 14, 2013
- Metawater Co., Ltd.
- Atsushi Miyata
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
High rate filter and high rate filtration method using the filter
- Publication number 20040004036
- Publication date Jan 8, 2004
- Yoshihiko Nakayama
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Rain water treating device in combined sewage, backwashing method t...
- Publication number 20030106859
- Publication date Jun 12, 2003
- Atsushi Miyata
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL