Takuma; Yasuo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Takuma; Yasuo.The latest application filed is for "development device and image forming apparatus incorporating same".
- Takuma; Yasuo - Kanagawa N/A JP
- Takuma; Yasuo - Ibaraki JP
- Takuma; Yasuo - Hitachi JP
- Takuma; Yasuo - Ibaraki-Ken JP
- Takuma, Yasuo - Hitachi-shi JP
| Patent | Date |
|---|---|
| Development device and image forming apparatus incorporating same Grant 9,031,471 - Ohmura , et al. May 12, 2 | 2015-05-12 |
| Developing device and image forming apparatus Grant 8,688,012 - Matsumoto , et al. April 1, 2 | 2014-04-01 |
| Development device and image forming apparatus incorporating same Grant 8,682,187 - Takuma , et al. March 25, 2 | 2014-03-25 |
| Developing device and image forming apparatus Grant 8,666,288 - Matsumoto , et al. March 4, 2 | 2014-03-04 |
| Development device and image forming apparatus Grant 8,639,150 - Ohmura , et al. January 28, 2 | 2014-01-28 |
| Development device and image forming apparatus incorporating same Grant 8,615,186 - Kikuchi , et al. December 24, 2 | 2013-12-24 |
| Developing device and image forming apparatus Grant 8,515,316 - Matsumoto , et al. August 20, 2 | 2013-08-20 |
| Development Device And Image Forming Apparatus Incorporating Same App 20120230733 - KIKUCHI; Hiroshi ; et al. | 2012-09-13 |
| Developing Device And Image Forming Apparatus App 20120114349 - Matsumoto; Junichi ; et al. | 2012-05-10 |
| Development device and image forming apparatus incorporating same App 20120057890 - Takuma; Yasuo ; et al. | 2012-03-08 |
| Developing device and image forming apparatus App 20120051792 - Matsumoto; Junichi ; et al. | 2012-03-01 |
| Development device and image forming apparatus incorporating same App 20120051791 - Ohmura; Tomoya ; et al. | 2012-03-01 |
| Developing Device And Image Forming Apparatus App 20110229207 - Matsumoto; Junichi ; et al. | 2011-09-22 |
| Development Device And Image Forming Apparatus App 20110182610 - OHMURA; Tomoya ; et al. | 2011-07-28 |
| Image forming apparatus Grant 7,962,055 - Takuma , et al. June 14, 2 | 2011-06-14 |
| Multicolor image forming apparatus Grant 7,796,905 - Honda , et al. September 14, 2 | 2010-09-14 |
| Image-forming device comprising a contact charging unit Grant 7,493,063 - Takuma , et al. February 17, 2 | 2009-02-17 |
| Image forming apparatus including static pre-eliminator Grant 7,463,849 - Takuma , et al. December 9, 2 | 2008-12-09 |
| Image forming apparatus App 20070286633 - Takuma; Yasuo ; et al. | 2007-12-13 |
| Multicolor image forming apparatus App 20070031167 - Honda; Haruyuki ; et al. | 2007-02-08 |
| Image-Forming Device App 20070025772 - Takuma; Yasuo ; et al. | 2007-02-01 |
| Image forming apparatus with toner concentration controller Grant 7,158,731 - Takuma , et al. January 2, 2 | 2007-01-02 |
| Image forming apparatus Grant 7,142,794 - Fujita , et al. November 28, 2 | 2006-11-28 |
| Image forming apparatus App 20060165438 - Takuma; Yasuo ; et al. | 2006-07-27 |
| Image forming apparatus App 20050169661 - Fujita, Masanari ; et al. | 2005-08-04 |
| Image forming apparatus App 20050053386 - Takuma, Yasuo ; et al. | 2005-03-10 |
| Image forming apparatus and developing unit used therein App 20020057930 - Okada, Hisao ; et al. | 2002-05-16 |
| Electrophotographic apparatus Grant 5,923,933 - Anzai , et al. July 13, 1 | 1999-07-13 |
| Bias cleaning system and electrostatic printing apparatus therewith and operating method thereof Grant 5,600,405 - Umeda , et al. February 4, 1 | 1997-02-04 |
| Developing apparatus for an electrophotographic machine Grant 5,574,546 - Kumasaka , et al. November 12, 1 | 1996-11-12 |
| Corona deterioration and moisture compensation for transfer unit in an electrophotographic apparatus Grant 5,291,253 - Kumasaka , et al. March 1, 1 | 1994-03-01 |
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