Fumihiko Kato

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical fibers coated with modified 1,4-polybutadienes
- Patent number 4,639,080
- Issue date Jan 27, 1987
- Nippon Telegraph and Telephone Public Corporation
- Takao Kimura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Coated optical glass fibers and method for production thereof
- Patent number 4,396,645
- Issue date Aug 2, 1983
- Nippon Telegraph & Telephone Public Corporation
- Takao Kimura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL