Ryouji Tan

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Dry toner, dry developer and process for forming electrophotographi...
- Patent number 4,985,328
- Issue date Jan 15, 1991
- Hitachi Chemical Co., Ltd.
- Yuugo Kumagai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY