Yutaka Fukui

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing seat cushions
- Patent number 4,107,829
- Issue date Aug 22, 1978
- Tachikawa Spring Co., Ltd.
- Muneharu Urai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL