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Yokohama, Japan

Hiroshi Mayuzumi

USPTO Granted Patents = 11

EPO Patents = 3 (Patent Applications = 1)

Average Co-Inventor Count = 3.5

ph-index = 6

Forward Citations = 73(Granted Patents)

Location History:

Kawasaki, JP (1998 - 1999)
Yokohama, JP (1998 - 2018)

Company Filing History:

11 out of 90,594

Canon Kabushiki Kaisha

Years Active: 1998-2018

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10078286 - Charging member, process cartridge and electrophotographic apparatus (2018-09-18),

2. 10036971 - Charging member, process cartridge, and electrophotographic image forming apparatus (2018-07-31),

3. 8971766 - Electrophotographic member, process cartridge and electrophotographic apparatus (2015-03-03),

4. 8383234 - Charging member, process cartridge, and electrophotographic apparatus (2013-02-26),

5. 8277947 - Charging member, process cartridge, and electrophotographic apparatus (2012-10-02),

6. 8227087 - Charging member, process cartridge, and electrophotographic apparatus (2012-07-24),

7. 7869741 - Charging member including a conductive support and surface layer having protrusions formed on a surface thereof, a process cartridge including same for use in an image forming apparatus (2011-01-11),

8. 6023597 - Cellular conductive roller with conductive powder filling open cells in (2000-02-08),

9. 6001454 - Charging member and electrophotographic apparatus using the same (1999-12-14),

10. 5824408 - White electroconductive coating composition and transfer (1998-10-20),

11. 5819142 - Charging member and image-forming unit having the same (1998-10-06),

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