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Hirakata, Japan

Tsutomu Nagata

USPTO Granted Patents = 13

EPO Patents = 1

Average Co-Inventor Count = 5.0

ph-index = 7

Forward Citations = 111(Granted Patents)

Location History:

Osaka-fu, JP (2002)
Hirakata, JP (2001 - 2004)
Kyotanabe, JP (2008 - 2010)

Company Filing History:

13 out of 25,550

Sharp Kabushiki Kaisha Corporation

Years Active: 2001-2010

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7769309 - Image forming apparatus and method with process control for stably forming images (2010-08-03),

2. 7333746 - Developing device and image forming apparatus provided with same (2008-02-19),

3. 6711374 - Image apparatus with developing cartridge having two accommodating portions (2004-03-23),

4. 6603940 - Detachable process cartridge for image forming apparatus (2003-08-05),

5. 6567631 - Toner cartridge and image forming apparatus (2003-05-20),

6. D464079 - Toner cartridge (2002-10-09),

7. D462713 - Developing unit for an image forming apparatus (2002-09-11),

8. 6421517 - Toner supply device with rotatable agitating element (2002-07-16),

9. 6415126 - Developing unit with agitator and conveying sheet for toner (2002-07-02),

10. 6385422 - Developing unit equipped with a toner replenishing device configured with a conveying sheet and rotator (2002-05-07),

11. 6360066 - Developing apparatus having stirring shafts with elliptic stirring vanes (2002-03-19),

12. 6347207 - Developing unit and toner replenishing device with conveying apparatus (2002-02-12),

13. 6272298 - Developer cartridge (2001-08-07),

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