Masaki Sekizawa

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Charge rollers having improved layer structure and/or surface chara...
- Patent number 5,497,219
- Issue date Mar 5, 1996
- Ricoh Company, Ltd.
- Junji Kurokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY