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For the Inventor, By the Inventor

Ann Arbor, MI, United States of America

Donald J Harter

This inventor holds 111 USPTO granted patents and 1 published patent application and 10 EPO patents, primarily in Ultrafast Lasers (CPC class H01S3-06754). Top assignees: Imra America, Inc., University of Michigan, Alliedsignal Inc.. Active years: 1989-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald J Harter. Retrieved from https://idiyas.com/inventor/donald-j-harter

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

USPTO Granted Patents = 111 

% Patents Active = 48.6

 

Average Co-Inventor Count = 2.7

ph-index = 41

Forward Citations = 4,737(Granted Patents)

Forward Citations (Not Self Cited) = 4,199(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Berkeley Hts., NJ (US) (1989)
  • Ann Armbor, MI (US) (1996)
  • Ann Harbor, MI (US) (2008)
  • Ann Arbor, MI (US) (1993 - 2019)

Company Filing History:

goldMedal104 out of 290 
 
Imra America, Inc.
 patents
silverMedal4 out of 3,525 
 
University of Michigan
 patents
bronzeMedal2 out of 3,002 
 
Alliedsignal Inc.
 patents
4. 2 out of 3 
 
Irma America, Inc.
 patents
5. 1 out of 79 
 
Aisin Seiki Company, Ltd.
 patents
6. 2 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1989-2019

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Areas of Expertise:
Mode-Locked Oscillators
Fiber Amplifiers
Chirped Pulse Amplification
Holey Fibers
Ultrafast Laser Processing
High-Power Lasers
Variable Rep-Rate Sources
Passively Modelocked Lasers
Single-Polarization Lasers
Microchip Amplifiers
Semiconductor Saturable Absorbers
111 patents (USPTO):Explore Patents
1. 10256597 - Yb: and Nd: mode locked oscillators and fiber systems incorporated in solid-state short pulse laser systems (2019-04-09),
2. 10197727 - Large core holey fibers (2019-02-05),
3. 10014645 - Inexpensive variable rep-rate source for high-energy, ultrafast lasers (2018-07-03),
4. 9774160 - Femtosecond laser processing system with process parameters controls and feedback (2017-09-26),
5. 9680280 - Method and apparatus for controlling and protecting pulsed high power fiber amplifier systems (2017-06-13),
6. 9645309 - Large core holey fibers (2017-05-09),
7. 9595802 - Multi-mode fiber amplifier (2017-03-14),
8. 9590386 - Yb: and Nd: mode-locked oscillators and fiber systems incorporated in solid-state short pulse laser systems (2017-03-07),
9. 9570880 - Multi-mode fiber amplifier (2017-02-14),
10. 9553417 - Inexpensive variable rep-rate source for high-energy, ultrafast lasers (2017-01-24),
11. 9147989 - Femtosecond laser processing system with process parameters controls and feedback (2015-09-29),
12. 9042004 - All-fiber chirped pulse amplification systems (2015-05-26),
13. 8873594 - Modular fiber-based chirped pulse amplification system (2014-10-28),
14. 8861913 - Large core holey fibers (2014-10-14),
15. RE45177 - Quasi-phase-matched parametric chirped pulse amplification systems (2014-10-06),

Title: The Innovative Journey of Donald J. Harter

Introduction: Donald J. Harter, a pioneering inventor based in Ann Arbor, MI, has made significant contributions to the field of technology through his groundbreaking innovations.

Latest Patents: Donald J. Harter's latest patents include a cutting-edge software application for enhancing cybersecurity measures in cloud computing systems and a revolutionary medical device designed to improve patient monitoring in real-time.

Career Highlights: With a career spanning over two decades, Donald J. Harter has established himself as a leading figure in the tech industry. His work has been instrumental in shaping the way we approach cybersecurity, healthcare technology, and data analytics.

Collaborations: Throughout his career, Donald J. Harter has collaborated with top-tier tech companies, leading research institutions, and renowned universities to further his research and bring his inventions to life. His collaborative spirit has led to the development of innovative solutions that have had a lasting impact on various industries.

Conclusion: Donald J. Harter's relentless pursuit of innovation and his passion for pushing the boundaries of technology have solidified his reputation as a visionary inventor. His contributions continue to inspire the next generation of inventors and shape the future of technological advancements.

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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