Yuuichi Sekine

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Kitakyushu, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-resistivity carbon black
- Patent number 6,372,349
- Issue date Apr 16, 2002
- Mitsubishi Chemical Corporation
- Hideyuki Hisashi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Carbon black and process for producing the same
- Patent number 6,358,487
- Issue date Mar 19, 2002
- Mitsubishi Chemical Corporation
- Yoshihiro Omae
- C01 - INORGANIC CHEMISTRY