Mikihiko Okano

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Composite overhead stranded conductor
- Patent number 4,671,610
- Issue date Jun 9, 1987
- Sumitomo Electric Industries, Ltd.
- Yoshinobu Kitayama
- G02 - OPTICS
Information Patent Grant
Protective device for overhead wires containing optical fiber units
- Patent number 4,610,503
- Issue date Sep 9, 1986
- Sumitomo Electric Industries, Ltd.
- Hideaki Miyazaki
- G02 - OPTICS