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Patent applications and USPTO patent grants for Yokoyama; Masanobu.The latest application filed is for "aqueous pigment dispersion, method for producing the same, and recording liquid containing the same".
Patent | Date |
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Aqueous Pigment Dispersion, Method For Producing The Same, And Recording Liquid Containing The Same App 20100010148 - Imai; Shinichiro ;   et al. | 2010-01-14 |
Microencapsulated Material, Microencapsulated Color Material, Process for Production of the Material, Ink Composition, Ink-Jet Recording Method, and Recorded Material App 20090214834 - Miyabayashi; Toshiyuki ;   et al. | 2009-08-27 |
Polyvinyl alcohol based block copolymer and pigment dispersion aqueous liquid using the same and recording liquid Grant 7,348,382 - Ueno , et al. March 25, 2 | 2008-03-25 |
Polyvinyl alcohol based block copolymer and pigment dispersion aqueous liquid using the same and recording liquid App 20060089423 - Ueno; Nobuhiko ;   et al. | 2006-04-27 |
Ink-jet recording liquid and process for producing the same Grant 6,918,955 - Yokoyama , et al. July 19, 2 | 2005-07-19 |
Ink-jet recording liquid and process for producing the same App 20050022695 - Yokoyama, Masanobu ;   et al. | 2005-02-03 |
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