Takafumi Hayashi

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Otsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Plasma separation filter
- Patent number 6,241,886
- Issue date Jun 5, 2001
- Toyo Boseki Kabushiki Kaisha
- Tomohiro Kitagawa
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Composite hollow fiber membrane and process for its production
- Patent number 5,783,079
- Issue date Jul 21, 1998
- Toyo Boseki Kabushiki Kaisha
- Atsuo Kumano
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL