Kazunori Koba

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-temperature ultrapure water production apparatus and liquid me...
- Patent number 6,562,205
- Issue date May 13, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Cozy Ban
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
System for recovering and treating waste water
- Patent number 6,379,548
- Issue date Apr 30, 2002
- Hitachi Zosen Corporation
- Masahiro Kurokawa
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Cleaning method and cleaning apparatus
- Patent number 5,501,240
- Issue date Mar 26, 1996
- Hitachi Zosen Corporation
- Takeshi Dohku
- B08 - CLEANING
Information Patent Grant
Apparatus for manufacturing ultra-pure water
- Patent number 5,250,183
- Issue date Oct 5, 1993
- Hitachi Zosen Corporation
- Hidetaka Sawada
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Degreasing-cleaning method
- Patent number 5,250,117
- Issue date Oct 5, 1993
- Hitachi Zosen Corporation
- Takashi Hirano
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL