Schunichiro Yamanaka

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Charge control agent and tower for developing electrostatic images
- Patent number 5,318,883
- Issue date Jun 7, 1994
- Orient Chemical Industries, Ltd.
- Schunichiro Yamanaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Toner for use in the development of electrostatic latent images
- Patent number 5,049,467
- Issue date Sep 17, 1991
- Orient Chemical Industries, Ltd.
- Schunichiro Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Compounds usable in a toner for developing electrostatic latent images
- Patent number 4,931,588
- Issue date Jun 5, 1990
- Orient Chemical Industries, Ltd.
- Yoji Kawagishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for developing electrostatic latent images
- Patent number 4,826,749
- Issue date May 2, 1989
- Orient Chemical Industries Ltd.
- Yoji Kawagishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY