Masataka Yanase

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of making a light-polarizing plate
- Patent number 4,626,304
- Issue date Dec 2, 1986
- Sumitomo Chemical Company, Limited
- Takuzo Okumura
- B32 - LAYERED PRODUCTS
Information Patent Grant
Light-polarizing plate having excellent durability and production o...
- Patent number 4,564,545
- Issue date Jan 14, 1986
- Sumitomo Chemical Company, Limited
- Takuzo Okumura
- B32 - LAYERED PRODUCTS