Masanori Itagaki

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing aromatic urethanes
- Patent number 5,306,842
- Issue date Apr 26, 1994
- NKK Corporation
- Takao Ikariya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of manufacturing aromatic urethane and intermediate product...
- Patent number RE34137
- Issue date Dec 1, 1992
- NKK Corporation
- Takao Ikariya
- 560 - Organic compounds
Information Patent Grant
Method of manufacturing aromatic urethanes
- Patent number 5,130,464
- Issue date Jul 14, 1992
- NKK Corporation
- Takao Ikariya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of manufacturing diphenylmethane dicarbamic acid diesters
- Patent number 4,699,994
- Issue date Oct 13, 1987
- Nippon Kokan Kabushiki Kaisha
- Takao Ikariya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of manufacturing aromatic urethane and intermediate product...
- Patent number 4,678,856
- Issue date Jul 7, 1987
- Nippon Kokan Kabushiki Kaisha
- Takao Ikariya
- C07 - ORGANIC CHEMISTRY