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Patent applications and USPTO patent grants for Shigenaga; Yasunori.The latest application filed is for "image forming apparatus and foreign matter removing method".
Patent | Date |
---|---|
Hydro dynamic bearing device Grant 10,323,688 - Tanaka , et al. | 2019-06-18 |
Image forming apparatus and foreign matter removing method Grant 10,036,993 - Shigenaga July 31, 2 | 2018-07-31 |
Image Forming Apparatus And Foreign Matter Removing Method App 20170227915 - SHIGENAGA; Yasunori | 2017-08-10 |
Hydro Dynamic Bearing Device App 20160131185 - TANAKA; Takayasu ;   et al. | 2016-05-12 |
Hydro dynamic bearing device Grant 9,255,604 - Tanaka , et al. February 9, 2 | 2016-02-09 |
Hydro Dynamic Bearing Device App 20150016760 - TANAKA; Takayasu ;   et al. | 2015-01-15 |
Image Forming Apparatus Provided With Toner Density Detection Section App 20100329711 - ISHIKAWA; Tetsuya ;   et al. | 2010-12-30 |
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