Hidetoshi Wakamatsu

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for removing impurity contents in the air
- Patent number 6,645,273
- Issue date Nov 11, 2003
- Oki Electric Industry Co, Ltd.
- Hidetoshi Wakamatsu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Apparatus for removing impurity contents in the air
- Patent number 6,497,757
- Issue date Dec 24, 2002
- Oki Electric Industry Co, Ltd.
- Hidetoshi Wakamatsu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Airborne molecular contaminant removing apparatus
- Patent number 6,387,165
- Issue date May 14, 2002
- Oki Electric Industry Co, Ltd.
- Hidetoshi Wakamatsu
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Method for removing impurity contents in the air
- Publication number 20030089242
- Publication date May 15, 2003
- Hidetoshi Wakamatsu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Apparatus for removing impurity contents in the air
- Publication number 20020011150
- Publication date Jan 31, 2002
- Hidetoshi Wakamatsu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL