Toshiaki Kuroha

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Eccentric optical fiber connector ferrule and method of manufacturi...
- Patent number 6,715,932
- Issue date Apr 6, 2004
- Seikoh Giken Co., LTD
- Toshiaki Kuroha
- G02 - OPTICS
Information Patent Grant
Single-mode optical fiber
- Patent number 4,306,767
- Issue date Dec 22, 1981
- Nippon Telegraph & Telephone Public Corporation
- Masao Kawachi
- G02 - OPTICS