Makoto Ookawara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Toner for developing latent electrostatic images
- Patent number 5,102,766
- Issue date Apr 7, 1992
- Ricoh Company, Ltd.
- Toshiki Nanya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Negative toner for developing latent electrostatic images
- Patent number 5,085,965
- Issue date Feb 4, 1992
- Ricoh Company, Ltd.
- Toshiki Nanya
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...