Hiroyuki Ota

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Otake, JA

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Patents Grantslast 30 patents

Information Patent Grant
Light transmitting filament
- Patent number 3,993,834
- Issue date Nov 23, 1976
- Mitsubishi Rayon Co., Ltd.
- Kazuya Chimura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL