Yukio Koyasu

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing a nitrile
- Patent number 5,750,760
- Issue date May 12, 1998
- Mitsubishi Chemical Corporation
- Takashi Ushikubo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing an unsaturated carboxylic acid
- Patent number 5,380,933
- Issue date Jan 10, 1995
- Mitsubishi Kasei Corporation
- Takashi Ushikubo
- C07 - ORGANIC CHEMISTRY