Kozo Tanaka

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polarizing film
- Patent number 4,643,529
- Issue date Feb 17, 1987
- Mitsui Toatsu Chemicals, Incorporated
- Sin Hosonuma
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL