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For the Inventor, By the Inventor

Hachioji, Japan

Jun-ichi Hamada

USPTO Granted Patents = 6 

Average Co-Inventor Count = 2.7

ph-index = 5

Forward Citations = 67(Granted Patents)


Location History:

  • Hachioj, JP (1990)
  • Hachioji, JP (1989 - 1992)
  • Fuchu, JP (1992)
  • Kunitachi, JP (1992)

Company Filing History:

goldMedal5 out of 3,106 
 
Konica Corporation
 patents
silverMedal1 out of 1,252 
 
Konishiroku Photo Industry Co., Ltd.
 patents

Years Active: 1989-1992

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6 patents (USPTO):Explore Patents
1. 5162849 - Image forming apparatus having a developer deterioration detecting device (1992-11-10),
2. 5140375 - Image forming apparatus (1992-08-18),
3. 5115280 - Residual toner cleaning apparatus for color image forming device (1992-05-19),
4. 5107285 - Image forming apparatus with improved image retainer cleaning means (1992-04-21),
5. 4979000 - Paper separating charger capable of discharging currents of various duty (1990-12-18),
6. 4816900 - Method of separation and formation of a color component of a color image (1989-03-28),
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