Takeshi Akamatsu

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Nishinomiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of fabricating superconducting ceramic pipe
- Patent number 5,266,557
- Issue date Nov 30, 1993
- Fujitsu Limited
- Yoshihiro Abe
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Manufacturing method of glass for optical transmission body
- Patent number 4,341,542
- Issue date Jul 27, 1982
- Fujitsu Limited
- Osamu Nakamura
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of producing an optical fiber
- Patent number 4,149,867
- Issue date Apr 17, 1979
- Fujitsu Limited
- Takeshi Akamatsu
- C03 - GLASS MINERAL OR SLAG WOOL