Yasuo Kotani

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Hirakata, JP

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Patents Grantslast 30 patents

Information Patent Grant
High purity acetylene gas
- Patent number 4,863,493
- Issue date Sep 5, 1989
- Nichigo Acetylene Kabushiki Kaisha
- Yasuo Kotani
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Antibacterial and antifungal composition
- Patent number 4,303,668
- Issue date Dec 1, 1981
- Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha
- Masayasu Hasegawa
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Antibacterial and antifungal composition
- Patent number 4,302,467
- Issue date Nov 24, 1981
- Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha
- Masayasu Hasegawa
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Antibacterial and antifungal composition
- Patent number 4,242,356
- Issue date Dec 30, 1980
- Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha
- Masayasu Hasegawa
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Sorbic acid composition having improved quality
- Patent number 4,122,187
- Issue date Oct 24, 1978
- Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha
- Yasuo Kotani
- C07 - ORGANIC CHEMISTRY