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For the Inventor, By the Inventor

Ann Arbor, MI, United States of America

Imra America, Inc.

Calculating rank
USPTO Granted Patents = 290

% Expired Patents = 52.4


Trademarks = 11

Forward Citations = 8,732

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113 inventors (with patents filed for the assignee):

goldMedal Martin E Fermann (137 out of 144 patents)

silverMedal Donald J Harter (104 out of 111 patents)

bronzeMedal Ingmar Hartl (51 out of 51 patents)

4.  Liang Dong (48 out of 51 patents)

5.  Gyu Cheon Cho (32 out of 32 patents)

6.  Almantas Galvanauskas (26 out of 39 patents)

7.  Mark P Bendett (22 out of 50 patents)

8.  Lawrence Shah (19 out of 20 patents)

9.  Yong Che (19 out of 26 patents)

10.  Alan Y Arai (16 out of 16 patents)

11.  Xinhua Gu (16 out of 16 patents)

12.  Gregg D Sucha (16 out of 18 patents)

13.  Gennady Imeshev (14 out of 18 patents)

14.  Zhenlin Liu (14 out of 14 patents)

15.  Salvatore F Nati (13 out of 13 patents)


Core Competencies:
Ultrafast Lasers
Optical Frequency Combs
Precision Light Sources
High Power Fiber Lasers
Optical Signal Processing
Laser Material Processing
Compact Fiber Lasers
Pulsed Laser Sources
Photonic Microwave Systems
Frequency Multiplication
Colloidal Gold Nanoparticles
Transparent Material Processing

290 patents:

1. 12567717 - System and method for amplification of green laser pulses (2026-03-03),
2. 12442762 - Optical millimeter-wave oscillator disciplined by rotational spectroscopy (2025-10-14),
3. 11885800 - Method and system for detecting analyte of interest using magnetic field sensor and magnetic particles (2024-01-30),
4. 11881681 - Precision light source (2024-01-23),
5. 11409185 - Compact microresonator frequency comb (2022-08-09),
6. 11289621 - Method for producing semiconductor light emitting element (2022-03-29),
7. 11201447 - Multi-pulse amplification (2021-12-14),
8. 11121519 - Utilization of time and spatial division multiplexing in high power ultrafast optical amplifiers (2021-09-14),
9. 11025027 - Precision frequency combs (2021-06-01),
10. 10690994 - Stable difference frequency generation using fiber lasers (2020-06-23),
11. 10498453 - Integrated photonic microwave transceiver system (2019-12-03),
12. 10454238 - Systems and methods for low noise frequency multiplication, division, and synchronization (2019-10-22),
13. 10353144 - Glass large-core optical fibers (2019-07-16),
14. 10256597 - Yb: and Nd: mode locked oscillators and fiber systems incorporated in solid-state short pulse laser systems (2019-04-09),
15. 10197727 - Large core holey fibers (2019-02-05),
Company Overview
Imra America, Inc., based in Ann Arbor, Michigan, specializes in advanced laser technology, focusing on the development and manufacturing of ultrafast lasers and precision light sources. The company is recognized for its innovations in optical frequency combs, high power fiber lasers, and pulsed laser sources, catering to a variety of applications in optical signal processing and laser material processing. Imra's commitment to cutting-edge research positions it as a leader in the field of laser technology, driving advancements across multiple industries.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Imra America, Inc. USPTO Patent Assignee Logo
290 Patents

#2 in Ann Arbor, MI

#66 in Michigan

#1,516 in US

#3,075 in the World

Ann Arbor, MI (US)
Ann Arbor, MI, United States of America

Imra America, Inc.

Forward Citations = 8,732

113 inventors:

goldMedal Martin E Fermann (137 out of 144 patents)

silverMedal Donald J Harter (104 out of 111 patents)

bronzeMedal Ingmar Hartl (51 out of 51 patents)

4.  Liang Dong (48 out of 51 patents)

5.  Gyu Cheon Cho (32 out of 32 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Imra America, Inc.. Retrieved from https://idiyas.com/company/imra-america

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

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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