Forward Citations = 293

Loading Chart...

8 inventors (with patents filed for the assignee):

R Russel Austin (5 out of 51 patents)

David E Stevenson (3 out of 5 patents)

Samuel F Pellicori (1 out of 8 patents)

4. Geoffrey H Humberstone (1 out of 3 patents)

5. Ivan M Obushenko (1 out of 1 patent)

6. Ivan M Obushenko (1 out of 1 patent)

7. Michael Kishinevsky (1 out of 1 patent)

8. Dmitri Kowalevskii (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 5777863 - Low-frequency modulated current mode power supply for magnetron (1998-07-07),

2. 5776594 - Transparent electrodes for liquid cells and liquid crystal displays (1998-07-07),

3. 5679131 - Method for producing titanium oxide from ore concentrates (1997-10-21),

4. 5556694 - Faceplate for a touch-sensitive video display unit (1996-09-17),

5. 5541770 - Light attenuating anti-reflection coating including electrically (1996-07-30),

6. 5528319 - Privacy filter for a display device (1996-06-18),

7. 5512390 - Light-weight electrical-storage battery (1996-04-30),

8. 5508091 - Transparent electrodes for liquid cells and liquid crystal displays (1996-04-16),

9. 5421979 - Load-lock drum-type coating apparatus (1995-06-06),

10. 5337191 - Broad band pass filter including metal layers and dielectric layers of (1994-08-09),

11. 5328585 - Linear planar-magnetron sputtering apparatus with reciprocating (1994-07-12),

Company Overview

Photran Corporation, based in Lakeville, MN, specializes in advanced photonics technologies, focusing on the development and manufacturing of high-performance optical components and systems. The company serves a diverse range of industries, including telecommunications, aerospace, and medical devices, leveraging its expertise in laser technology and optical engineering. With a commitment to innovation, Photran aims to enhance the capabilities of optical systems, driving advancements in various applications across the globe.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

11 Patents

#7 in Lakeville, MN

#786 in Minnesota

#27,529 in US

#51,801 in the World

Lakeville, MN, United States of America

Photran Corporation

Forward Citations = 293

8 inventors:

R Russel Austin (5 out of 51 patents)

David E Stevenson (3 out of 5 patents)

Samuel F Pellicori (1 out of 8 patents)

4. Geoffrey H Humberstone (1 out of 3 patents)

5. Ivan M Obushenko (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Photran Corporation. Retrieved from https://idiyas.com/company/photran

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]