Hiroaki Yoda

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic separation unit and water purification system
- Patent number 7,371,320
- Issue date May 13, 2008
- Hitachi Plant Technologies, Ltd.
- Hiroaki Yoda
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Purification apparatus
- Patent number 6,139,745
- Issue date Oct 31, 2000
- Hitachi, Ltd.
- Takashi Mizumori
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Purifying method and purification system for lakes and marshes
- Patent number 5,893,978
- Issue date Apr 13, 1999
- Hitachi, Ltd.
- Hiroaki Yoda
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Distillation system with a hydrophobic porous membrane
- Patent number 5,232,085
- Issue date Aug 3, 1993
- Hitachi, Ltd.
- Nobuatsu Hayashi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Distilling apparatus
- Patent number 4,953,694
- Issue date Sep 4, 1990
- Hitachi, Ltd.
- Nobuatsu Hayashi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for producing ultra-pure water and process for using said u...
- Patent number 4,879,041
- Issue date Nov 7, 1989
- Hitachi, Ltd.
- Hideaki Kurokawa
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Apparatus for purifying and dispensing water with stagnation preven...
- Patent number 4,773,993
- Issue date Sep 27, 1988
- Hitachi, Ltd.
- Hiroaki Yoda
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Magnetic separation unit and water purification system
- Publication number 20050126976
- Publication date Jun 16, 2005
- Hitachi Industries Co., Ltd.
- Hiroaki Yoda
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Hiroaki Yoda

Person

Patents Grantslast 30 patents

Magnetic separation unit and water purification system

Purification apparatus

Purifying method and purification system for lakes and marshes

Distillation system with a hydrophobic porous membrane

Distilling apparatus

Process for producing ultra-pure water and process for using said u...

Apparatus for purifying and dispensing water with stagnation preven...

Patents Applicationslast 30 patents

Magnetic separation unit and water purification system