Yoshiji Watanabe

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Kouriyama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for converting polychlorinated biphenyl oil into a resource,...
- Patent number 6,490,887
- Issue date Dec 10, 2002
- Yasuhiro Kaizuka
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Method for converting polychlorinated biphenyl oil into a resource,...
- Publication number 20020053220
- Publication date May 9, 2002
- Yasuhiro Kaizuka
- C03 - GLASS MINERAL OR SLAG WOOL