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Kouzou Yamaguchi

USPTO Granted Patents = 12

Average Co-Inventor Count = 2.7

ph-index = 5

Forward Citations = 76(Granted Patents)

Location History:

Kashihara, JP (1990 - 2010)
Nara, JP (2008 - 2011)

Company Filing History:

12 out of 25,560

Sharp Kabushiki Kaisha Corporation

Nisca Corporation

where one patent can have more than one assignee

Years Active: 1990-2011

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7949294 - Image forming apparatus with switchback transport path in the stapling unit (2011-05-24),

2. 7735402 - Punching apparatus (2010-06-15),

3. 7684750 - Image forming apparatus (2010-03-23),

4. 7669847 - Post-processing apparatus and image forming apparatus (2010-03-02),

5. 7669844 - Paper feeder (2010-03-02),

6. 7536125 - Image forming apparatus capable of suppressing developer waste (2009-05-19),

7. 7484726 - Sheet feeding device (2009-02-03),

8. 7450874 - Image forming apparatus (2008-11-11),

9. 6454254 - Sheet mounting apparatus (2002-09-24),

10. 6286921 - Ink cartridge of an ink jet printer and an ink jet printer including an ink cartridge (2001-09-11),

11. 5088846 - Printer of ribbon cassette fixed type (1992-02-18),

12. 4952086 - Printer with feed reel and take-up reel winding (1990-08-28),

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