Hironori Ozawa

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing support for use in formation of polyurethan f...
- Patent number 4,569,712
- Issue date Feb 11, 1986
- Sanyo-Kokusaku Pulp Co., Ltd.
- Tomishi Shibano
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL