Yuji Wakayama

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing synthetic resin made articles having porous ela...
- Patent number 4,994,226
- Issue date Feb 19, 1991
- Nippondenso Co., Ltd.
- Kazuhiko Nakagawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL