Yoshiteru Yamazaki

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Patents Grantslast 30 patents

Information Patent Grant
Granulated acetylene black, process for its production and its appl...
- Patent number 6,025,429
- Issue date Feb 15, 2000
- Denki Kagaku Kogyo Kabushiki Kaisha
- Yoshiteru Yamazaki
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Granulated acetylene black, process for its production and its appl...
- Patent number 5,973,059
- Issue date Oct 26, 1999
- Denki Kagaku Kogyo Kabushiki Kaisha
- Yoshiteru Yamazaki
- C01 - INORGANIC CHEMISTRY