Tsuneo Nakahara

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Yokohama, JA

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Patents Grantslast 30 patents

Information Patent Grant
O-Type optical waveguide
- Patent number 4,088,388
- Issue date May 9, 1978
- Sumitomo Electric Industries, Ltd.
- Tsuneo Nakahara
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL