Yasuji Murakami

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Tokorozawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Submarine optical fiber cable with dam means
- Patent number 4,684,213
- Issue date Aug 4, 1987
- Nippon Telegraph & Telephone Public Corporation
- Koushi Ishihara
- G02 - OPTICS
Information Patent Grant
Method of making glass waveguide for optical circuit
- Patent number 4,425,146
- Issue date Jan 10, 1984
- Nippon Telegraph & Telephone Public Corporation
- Tatsuo Izawa
- G02 - OPTICS