Yasunari Yamaguchi

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Shiga, JP

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Patents Grantslast 30 patents

Information Patent Grant
Toner development device with improved scraper
- Patent number 4,731,632
- Issue date Mar 15, 1988
- Dainippon Screen Mfg. Co., Ltd.
- Masao Fukushima
- B82 - NANO-TECHNOLOGY