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For the Inventor, By the Inventor

San Jose, CA, United States of America

Digital Optics Corporation


USPTO Granted Patents = 135

% Expired Patents = 25.9



Forward Citations = 1,693

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115 inventors (with patents filed for the assignee):

goldMedal Michael R Feldman (66 out of 128 patents)

silverMedal Alan D Kathman (47 out of 75 patents)

bronzeMedal Hongtao Han (16 out of 31 patents)

4.  Robert Te Kolste (14 out of 20 patents)

5.  William Hudson Welch (13 out of 82 patents)

6.  Eric G Johnson (9 out of 18 patents)

7.  W Hudson Welch (9 out of 12 patents)

8.  James E Morris (8 out of 54 patents)

9.  John D Griffith (8 out of 28 patents)

10.  John Barnett Hammond (8 out of 12 patents)

11.  Jisoo Lee (7 out of 7 patents)

12.  Thomas J Suleski (7 out of 11 patents)

13.  Roman Gutierrez (5 out of 161 patents)

14.  Prebesh Pavithran (5 out of 12 patents)

15.  David McKinley (5 out of 5 patents)


Core Competencies:
MEMS Actuator
Dual Sensor Camera
Auto-Focus Module
Wafer Level Optics
Miniature Camera Module
Optical Navigation
Integrated Lens Barrel
Digital Zoom
Image Sensor
Optical Device
Compact Interferometer
Chromatic Corrector

135 patents:

1. 10560627 - Dual sensor camera (2020-02-11),
2. 10476404 - Row and column actuator control (2019-11-12),
3. 10101636 - Auto-focus camera module with MEMS capacitance estimator (2018-10-16),
4. 10088647 - MEMS auto focus miniature camera module with fixed and movable lens groups (2018-10-02),
5. 10067311 - Integrated lens barrel, actuator, and MEMS snubber systems and methods (2018-09-04),
6. 9900504 - Dual sensor camera (2018-02-20),
7. 9880371 - MEMS electrical contact systems and methods (2018-01-30),
8. 9817206 - MEMS auto focus miniature camera module with fixed and movable lens groups (2017-11-14),
9. 9654694 - Dual lens digital zoom (2017-05-16),
10. 9621772 - Integrated lens barrel, actuator, and MEMS snubber systems and methods (2017-04-11),
11. 9515579 - MEMS electrical contact systems and methods (2016-12-06),
12. 9477139 - Auto-focus camera module with MEMS capacitance estimator (2016-10-25),
13. 9438810 - Dual sensor camera (2016-09-06),
14. 9420190 - Dual sensor camera (2016-08-16),
15. 9294667 - MEMS auto focus miniature camera module with fixed and movable lens groups (2016-03-22),
Company Overview
Digital Optics Corporation, based in San Jose, CA, specializes in advanced MEMS camera technology, focusing on innovative solutions for imaging applications. The company develops a range of products including MEMS actuators, dual sensor cameras, and auto-focus modules, which enhance optical performance and miniaturization in camera systems. Their expertise extends to wafer level optics and integrated lens barrels, positioning them at the forefront of optical navigation and digital zoom technologies in the evolving landscape of miniature camera modules.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

135 Patents

#89 in San Jose, CA

#644 in California

#2,880 in US

#5,986 in the World

San Jose, CA (US)
San Jose, CA, United States of America

Digital Optics Corporation

Forward Citations = 1,693

115 inventors:

goldMedal Michael R Feldman (66 out of 128 patents)

silverMedal Alan D Kathman (47 out of 75 patents)

bronzeMedal Hongtao Han (16 out of 31 patents)

4.  Robert Te Kolste (14 out of 20 patents)

5.  William Hudson Welch (13 out of 82 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Digital Optics Corporation. Retrieved from https://idiyas.com/company/digital-optics

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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