IDiyas

For the Inventor, By the Inventor

Hyogo, Japan

Yoshio Sakagawa

USPTO Granted Patents = 15

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 17(Granted Patents)


Location History:

  • Ashiya, JP (2010)
  • Hyogo-ken, JP (2010)
  • Hyogo, JP (2007 - 2016)

Company Filing History:

goldMedal14 out of 28,544 
 
Ricoh Company, Ltd.
 patents
silverMedal1 out of 25,530 
 
Sharp Kabushiki Kaisha Corporation
 patents

Years Active: 2007-2016

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15 patents (USPTO):Explore Patents
1. 9298127 - Developing device and image forming apparatus including same (2016-03-29),
2. 8977150 - Image forming apparatus including a controller configured to regulate a potential difference between a photoconductor and a developing member (2015-03-10),
3. 7907871 - Image forming apparatus (2011-03-15),
4. 7903993 - Image forming apparatus (2011-03-08),
5. 7822356 - Image forming apparatus (2010-10-26),
6. 7796912 - Image forming method and apparatus which uses alternating voltage to form an electric field for moving toner (2010-09-14),
7. 7792463 - Image forming apparatus including a brush member to temporarily capture toner (2010-09-07),
8. 7751753 - Cleanerless image forming apparatus (2010-07-06),
9. 7738803 - Image forming method and apparatus for effectively charging an image carrier (2010-06-15),
10. 7725054 - Electrifying apparatus, a processing unit, and an image formation apparatus (2010-05-25),
11. 7697875 - Development device for developing an electrostatic latent image formed on an image carrying member into a visible image (2010-04-13),
12. 7693459 - Charging device for charging a surface of a latent image bearing member and an image forming apparatus including the charging device (2010-04-06),
13. 7684732 - Process unit and image forming apparatus including the same (2010-03-23),
14. 7664433 - Cleaning of a charging member in an image forming apparatus (2010-02-16),
15. 7263317 - Particle discharge apparatus and image forming apparatus (2007-08-28),
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