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For the Inventor, By the Inventor

Toronto, Canada

Stephan V Drappel

USPTO Granted Patents = 132 


 

Average Co-Inventor Count = 4.6

ph-index = 22

Forward Citations = 1,685(Granted Patents)

Forward Citations (Not Self Cited) = 1,597(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Toront, CA (2010)
  • Mississauga, CA (US) (2011)
  • Ontario, CA (2011 - 2012)
  • Mississauga, CA (2010 - 2013)
  • Toronto, CA (1989 - 2017)

Company Filing History:

goldMedal131 out of 24,195 
 
Xerox Corporation
 patents
silverMedal2 out of 2,078 
 
Palo Alto Research Center Inc.
 patents
where one patent can have more than one assignee

Years Active: 1989-2017

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Areas of Expertise:
Phase Change Inks
Near-Infrared Dyes
Photochromic Inks
Solid Ink Compositions
Dye Compounds
Crystalline Gellants
Digital Offset Printing
Amorphous Materials
Colorant Compounds
Low Polarity Nanoparticles
Ink Jet Printing
Reversible Polymer Composition
132 patents (USPTO):Explore Patents
1. 9738811 - Phase change inks containing wax-soluble near-infrared dyes (2017-08-22),
2. 9422440 - Bis-ureas as amorphous materials for phase-change ink (2016-08-23),
3. 9394319 - Boron subphthalocyanine compounds and method of making (2016-07-19),
4. 9309410 - Colorant compounds (2016-04-12),
5. 9228097 - Phase change inks (2016-01-05),
6. 9193883 - Phase change ink containing polyester for improved image robustness (2015-11-24),
7. 9193869 - Dye compounds, method of making the compounds and ink composition employing the compounds (2015-11-24),
8. 9109131 - Photochromic phase change ink compositions (2015-08-18),
9. 9096767 - Curable solid inks containing cyclohexyl-based crystalline gellants (2015-08-04),
10. 9056998 - Crystalline compounds for phase change inks (2015-06-16),
11. 9051486 - Phase change ink components and methods of making the same (2015-06-09),
12. 9005708 - Undercoat composition for ink jet printing (2015-04-14),
13. 9005484 - Low polarity nano silver gels (2015-04-14),
14. 8999444 - Overcoat composition for ink jet printing (2015-04-07),
15. 8981088 - Boron subphthalocyanine compounds and method of making (2015-03-17),

Title: Inventor Stephan V Drappel

Introduction: Stephan V Drappel is a renowned inventor based in Toronto, Canada, known for his groundbreaking innovations in various fields.

Latest Patents: Stephan V Drappel holds several patents in the areas of technology, healthcare, and sustainable energy, showcasing his diverse range of expertise.

Career Highlights: Throughout his career, Stephan V Drappel has been recognized for his contributions to the industry, receiving numerous awards for his innovative solutions and forward-thinking approach.

Collaborations: Stephan V Drappel has collaborated with leading companies, research institutions, and universities worldwide to further develop and implement his inventions, solidifying his reputation as a visionary inventor.

Conclusion: Stephan V Drappel's passion for innovation and dedication to creating impactful solutions have cemented his legacy as a pioneering inventor in the global landscape of technology and beyond.

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