Hiroyuki Kiyoi

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Sagamihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image recording apparatus having a toner supply tank and a toner re...
- Patent number RE35528
- Issue date Jun 10, 1997
- Ricoh Company, Ltd.
- Yozo Matsuura
- 399 - Electrophotography
Information Patent Grant
Image recording apparatus having a toner supply tank and a toner re...
- Patent number 5,126,799
- Issue date Jun 30, 1992
- Ricoh Company, Ltd.
- Yozo Matsuura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY