Takeyasu Nakayama

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Chiisagata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Twin-core ferrule structure for an optical connector
- Patent number 6,155,722
- Issue date Dec 5, 2000
- Totoku Electric Co., Ltd.
- Masanori Nonomura
- G02 - OPTICS
Information Patent Grant
Method for manufacturing optical fiber assembly with polished end-f...
- Patent number 5,559,916
- Issue date Sep 24, 1996
- Totoku Electric Co., Ltd.
- Kazuhiko Terao
- G02 - OPTICS
Information Patent Grant
End-face polished ferrule and its method of manufacture
- Patent number 5,463,709
- Issue date Oct 31, 1995
- Totoku Electric Co., Ltd.
- Kazuhiko Terao
- B24 - GRINDING POLISHING
Information Patent Grant
Optical fiber assembly, method of manufacturing the same and optica...
- Patent number 5,245,684
- Issue date Sep 14, 1993
- Totoku Electric Co., Ltd.
- Kazuhiko Terao
- G02 - OPTICS