Yasuo Tateoka

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Patents Grantslast 30 patents

Information Patent Grant
Photochromic material containing a spirooxazine and a nitroxy free...
- Patent number 4,962,013
- Issue date Oct 9, 1990
- Nissan Motor Co., Ltd. Yokohama
- Yasuo Tateoka
- B32 - LAYERED PRODUCTS