IDiyas

For the Inventor, By the Inventor

Kunitachi, Japan

Tetsuo Katoh

USPTO Granted Patents = 12

Average Co-Inventor Count = 1.4

ph-index = 4

Forward Citations = 44(Granted Patents)


Location History:

  • Tokyo, JP (1995 - 1997)
  • Kunitachi, JP (2001 - 2004)
  • Yokohama, JP (2004 - 2006)

Company Filing History:

goldMedal5 out of 6,174 
 
Toshiba Tec Kabushiki Kaisha
 patents
silverMedal5 out of 52,711 
 
Kabushiki Kaisha Toshiba
 patents
bronzeMedal5 out of 832,680 
Other
 patents
where one patent can have more than one assignee

Years Active: 1995-2006

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12 patents (USPTO):Explore Patents
1. 7024151 - Image forming apparatus and toner stirring method (2006-04-04),
2. 6898384 - Image forming apparatus and method for revising image density (2005-05-24),
3. 6895192 - Image forming apparatus and developer replenishment control method (2005-05-17),
4. 6792221 - Image forming apparatus and method for revising image density (2004-09-14),
5. 6687467 - Apparatus and method of controlling supply of developing agent to developer (2004-02-03),
6. 6665513 - Image forming apparatus including a cleaning sheet for cleaning a peripheral surface of a heat roller (2003-12-16),
7. 6603949 - Apparatus and method for controlling the formation of an image with recovered and new toner (2003-08-05),
8. 6577824 - Apparatus and method for supplying new and recovered toner to a developing device (2003-06-10),
9. 6526252 - Apparatus and method for forming image (2003-02-25),
10. 6266504 - Developing apparatus and image forming apparatus (2001-07-24),
11. 5594533 - Image forming apparatus capable of varying charge amount in accordance (1997-01-14),
12. 5436702 - Means for exposing original on image forming apparatus to provide (1995-07-25),
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