Naruki Koshimizu

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for producing optical fiber
- Patent number 8,443,581
- Issue date May 21, 2013
- Sumitomo Electric Industries, Ltd.
- Naruki Koshimizu
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FIBER STORAGE METHOD, DELIVERY METHOD, AND OPTICAL FIBER WI...
- Publication number 20200109023
- Publication date Apr 9, 2020
- Sumitomo Electric Industries, Ltd.
- Naruki KOSHIMIZU
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
METHOD AND APPARATUS FOR PRODUCING OPTICAL FIBER
- Publication number 20110198766
- Publication date Aug 18, 2011
- Sumitomo Electric Industries, Ltd.
- Naruki Koshimizu
- G02 - OPTICS