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For the Inventor, By the Inventor

Changhua, Taiwan

I-Jein Cheng

USPTO Granted Patents = 6

Average Co-Inventor Count = 6.1

ph-index = 2

Forward Citations = 4(Granted Patents)


Location History:

  • Changhua, TW (2006 - 2012)
  • Changhua County, TW (2012)
  • Taichung, TW (2013 - 2014)

Company Filing History:

goldMedal4 out of 9,138 
 
Industrial Technology Research Institute
 patents
silverMedal2 out of 2 
 
Trend Tone Imaging, Inc.
 patents

Years Active: 2006-2014

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6 patents (USPTO):
1. 8822117 - Chemical toner composition and method for preparing the same (2014-09-02),
2. 8557496 - Chemical toner composition and method for preparing the same (2013-10-15),
3. 8283099 - Biomass chemical toner composition and method for manufacturing the same (2012-10-09),
4. 8168689 - High optical contrast pigment and colorful photosensitive composition employing the same and fabrication method thereof (2012-05-01),
5. 7285371 - Photosensitive composition and color paste (2007-10-23),
6. 7090962 - Alkali-soluble resin with polyaromatic group and photosensitive composition comprising the resin (2006-08-15),
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