Kenji Doi

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical fiber built-in type composite insulator and method for prod...
- Patent number 5,136,680
- Issue date Aug 4, 1992
- NGK Insulators, Ltd.
- Shoji Seike
- G02 - OPTICS
Information Patent Grant
Optical fiber built-in type composite insulator and method of produ...
- Patent number 5,069,525
- Issue date Dec 3, 1991
- NGK Insulators, Ltd.
- Shoji Seike
- G02 - OPTICS