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Keiji Kato

USPTO Granted Patents = 9

Average Co-Inventor Count = 5.4

ph-index = 7

Forward Citations = 143(Granted Patents)

Company Filing History:

9 out of 25,530

Sharp Kabushiki Kaisha Corporation

Years Active: 1990-2008

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7418214 - State detection mechanism (2008-08-26),

2. 7020416 - Image forming apparatus with arrangement for controlling assembly order (2006-03-28),

3. 6853821 - Image forming device and toner device (2005-02-08),

4. 6360066 - Developing apparatus having stirring shafts with elliptic stirring vanes (2002-03-19),

5. 5243389 - Toner hopper having stirring and feeding rollers (1993-09-07),

6. 5239805 - Method of packing a developer cartridge (1993-08-31),

7. 5235130 - Developer cartridge (1993-08-10),

8. 5175587 - Developing apparatus having a detachable developer cartridge (1992-12-29),

9. 4937625 - Developing device for copier (1990-06-26),

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