Seiichi Shimizu

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Combination of color toners for developing electrostatic latent image
- Patent number 5,262,264
- Issue date Nov 16, 1993
- Dainippon Ink & Chemical, Inc.
- Seiichi Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color toner composition for electrostatic developer
- Patent number 5,017,450
- Issue date May 21, 1991
- Dainippon Ink and Chemicals, Inc.
- Yoshiyuki Iwanari
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Color toner composition for developing electrostatic images
- Patent number 4,931,370
- Issue date Jun 5, 1990
- Dainippon Ink and Chemicals, Inc.
- Shinji Amaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY