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Kawasaki, Japan

Kiyotaka Sakai

USPTO Granted Patents = 6

EPO Patents = 1

Average Co-Inventor Count = 6.7

ph-index = 6

Forward Citations = 162(Granted Patents)

Location History:

Yokohama, JP (2006)
Kanagawa-ken, JP (2007)
Kanagawa, JP (2007 - 2008)
Kawasaki, JP (2007 - 2009)

Company Filing History:

6 out of 28,577

Ricoh Company, Ltd.

Years Active: 2006-2009

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7599650 - Developer bearing member, developing device, process cartridge and image forming apparatus (2009-10-06),

2. 7457570 - Image forming apparatus including a magnetic brush developing system using a two-component developer comprising toner and carrier (2008-11-25),

3. 7272342 - Image forming apparatus having a detachable cartridge including a photoconductive drum with axis shaft having a minimal rotational eccentricity, and a method of assembling the image forming apparatus (2007-09-18),

4. 7228093 - Method and apparatus for image forming capable of performing a stable image development (2007-06-05),

5. 7212773 - Image forming apparatus (2007-05-01),

6. 7043182 - Developer regulating member, developing device, electrophotographic image forming process cartridge, and image forming apparatus including the developer regulating member (2006-05-09),

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