Mayumi Takahashi

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Niigata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Active carbon materials, process for the preparation thereof and th...
- Patent number 5,338,462
- Issue date Aug 16, 1994
- Mitsubishi Gas Chemical Company, Inc.
- Hisaki Abe
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Active carbon materials, process for the preparation thereof and th...
- Patent number 5,242,879
- Issue date Sep 7, 1993
- Mitsubishi Gas Chemical Company, Inc.
- Hisaki Abe
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Surface treating agent for aluminum line pattern substrate
- Patent number 5,174,816
- Issue date Dec 29, 1992
- Mitsubishi Gas Chemical Company, Inc.
- Tetsuo Aoyama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...