Takeshi Narita

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing dimethylamine
- Patent number 5,773,659
- Issue date Jun 30, 1998
- Nitto Kagaku Kogyo Kabushiki Kaisha
- Michio Fukatsu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Apparatus for stirring hydrogel particles of water-soluble polymer
- Patent number 4,607,958
- Issue date Aug 26, 1986
- Nitto Kagaku Kogyo Kabushiki Kaisha
- Iwao Ohshima
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL