Yoshihiro Hamaguchi

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Kurashiki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water treating method for treating waste water by using ion exchang...
- Patent number 5,772,891
- Issue date Jun 30, 1998
- Sharp Kabushiki Kaisha
- Kazuyuki Yamasaki
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Water treating method and apparatus treating waste water by using i...
- Patent number 5,707,514
- Issue date Jan 13, 1998
- Sharp Kabushiki Kaisha
- Kazuyuki Yamasaki
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for waste water treatment using calcium carbonate mineral an...
- Patent number 5,580,458
- Issue date Dec 3, 1996
- Sharp Kabushiki Kaisha
- Kazuyuki Yamasaki
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Apparatus for waste water treatment using calcium carbonate mineral...
- Patent number 5,480,537
- Issue date Jan 2, 1996
- Sharp Kabushiki Kaisha
- Kazuyuki Yamasaki
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method and apparatus for treating developer-containing waste water...
- Patent number 5,423,988
- Issue date Jun 13, 1995
- Sharp Kabushiki Kaisha
- Kazuyuki Yamasaki
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE