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Patent applications and USPTO patent grants for Kawagishi; Yoji.The latest application filed is for "toner, charge-imparting material and composition containing metal complex".
Patent | Date |
---|---|
Toner, charge-imparting material and composition containing metal complex Grant 4,673,631 - Fukumoto , et al. June 16, 1 | 1987-06-16 |
Toner for developing electrostatic latent images Grant 4,656,112 - Kawagishi , et al. April 7, 1 | 1987-04-07 |
Metal complexes for use in developers for electrostatic images, charge control function Grant 4,404,271 - Kawagishi , et al. September 13, 1 | 1983-09-13 |
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