Hiroyuki Ohashi

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Recovery process for producing purified methacrylonitrile
- Patent number 4,599,145
- Issue date Jul 8, 1986
- Asahi Kasei Kogyo Kabushiki Kaisha
- Kiyoshi Kawakami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for recovering and utilizing waste heat
- Patent number 4,530,826
- Issue date Jul 23, 1985
- Asahi Kasei Kogyo Kabushiki Kaisha
- Hiroyuki Ohashi
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Process for producing unsaturated nitrile
- Patent number 4,434,029
- Issue date Feb 28, 1984
- Asahi Kasei Kogyo Kabushiki Kaisha
- Shigeru Kurihara
- C07 - ORGANIC CHEMISTRY