by Noriko Tsuiki a legal representati

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Patents Grantslast 30 patents

Information Patent Grant
Pressure sensitive adhesive toner of clustered encapsulated porous...
- Patent number 4,254,201
- Issue date Mar 3, 1981
- Ricoh Company, Ltd.
- Yuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY