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For the Inventor, By the Inventor

Newberg, OR, United States of America

Donald R Titterington

This inventor holds 95 USPTO granted patents, plus 1 CIPO patent and 3 EPO patents, primarily in Phase Change Inks (CPC class 523161). Top assignees: Xerox Corporation, Tektronix, Inc., University of Montreal. Active years: 1985-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald R Titterington. Retrieved from https://idiyas.com/inventor/donald-r-titterington

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 95

% Patents Active = 65.3



Average Co-Inventor Count = 3.6

ph-index = 30

Forward Citations = 3,352(Granted Patents)

Forward Citations (Not Self Cited) = 2,930(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Cornelius, OR (US) (1985)
  • Portland, OR (US) (2002)
  • Tualitin, OR (US) (2004)
  • Tualatin, OR (US) (1988 - 2011)
  • Newberg, OR (US) (2004 - 2011)

Company Filing History:

goldMedal65 out of 24,261 
 
Xerox Corporation
 patents
silverMedal30 out of 2,760 
 
Tektronix, Inc.
 patents
bronzeMedal1 out of 7 
 
University of Montreal
 patents
where one patent can have more than one assignee

Years Active: 1985-2011

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Areas of Expertise:
Phase Change Inks
Colorant Formulations
Solid Ink Printers
Colorant Compositions
Aqueous Inks
Guanidinopyrimidinone Compounds
Thermal Management
Energy Efficiency
Ink Formulations
Polymer Chemistry
Resin Compositions
Isocyanate Compounds
95 patents (USPTO):Explore Patents
1. 7985865 - Phase change ink formulations, colorant formulations, and methods of forming colorants (2011-07-26),
2. 7939678 - Phase change ink formulations, colorant formulations, and methods of forming colorants (2011-05-10),
3. 7926898 - Faster warm-up, lower energy, and quieter modes for solid ink printers (2011-04-19),
4. 7772377 - Colorant compositions (2010-08-10),
5. 7753510 - Solid ink composition with post-melt mixing (2010-07-13),
6. 7732625 - Colorant compounds (2010-06-08),
7. 7658486 - Phase change inks (2010-02-09),
8. 7619075 - Colorant compositions (2009-11-17),
9. 7592460 - Colorant compositions (2009-09-22),
10. 7582687 - Phase change inks (2009-09-01),
11. 7572845 - Phase change inks (2009-08-11),
12. 7543901 - Faster warm-up, lower energy, and quieter modes for solid ink printers (2009-06-09),
13. 7541406 - Phase change inks containing curable isocyanate-derived compounds (2009-06-02),
14. 7520222 - Phase change ink formulation containing a combination of a urethane resin, a mixed urethane/urearesin, a mono-amide and a polyethylene wax (2009-04-21),
15. 7504502 - Guanidinopyrimidinone compounds and phase change inks containing same (2009-03-17),

Title: Donald R Titterington: Pioneering Inventor from Newberg, OR

Introduction: Donald R Titterington is a distinguished inventor hailing from the vibrant city of Newberg, Oregon. With a passion for innovation and a keen eye for detail, he has made significant contributions to the field of technology through his groundbreaking inventions.

Latest Patents: Donald R Titterington holds several patents in various technological domains, showcasing his versatility and creativity in inventing cutting-edge solutions to complex problems.

Career Highlights: Throughout his illustrious career, Donald R Titterington has been recognized for his innovative spirit and dedication to pushing the boundaries of technology. His inventions have not only revolutionized industries but have also improved the lives of many around the world.

Collaborations: Donald R Titterington has collaborated with leading tech companies and research institutions to bring his inventions to life. His ability to work in multidisciplinary teams has led to the successful development and commercialization of several groundbreaking technologies.

Conclusion: In conclusion, Donald R Titterington stands as a true pioneer in the world of innovation, with a remarkable track record of turning ideas into reality. His passion for pushing the limits of technology continues to inspire future generations of inventors and innovators.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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