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Austin, TX, United States of America

Dunan Microstaq, Inc.

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USPTO Granted Patents = 45

Trademarks = 2

Forward Citations = 136

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28 inventors (with patents filed for the assignee):

Parthiban Arunasalam (25 out of 33 patents)

Joe Albert Ojeda, Sr (24 out of 25 patents)

E Nelson Fuller (17 out of 18 patents)

4. Chen Yang (13 out of 14 patents)

5. Gengxun Kara Gurley (13 out of 14 patents)

6. Wayne Curtis Long (11 out of 14 patents)

7. Joseph Nguyen (9 out of 9 patents)

8. Arvind Rao (7 out of 8 patents)

9. Harry A Hunnicutt (6 out of 8 patents)

10. Dhaman Kumar Besarla (5 out of 5 patents)

11. Kevin C Sinkar (3 out of 3 patents)

12. Jennifer O'Keefe (3 out of 3 patents)

13. Colin B Bingle (3 out of 3 patents)

14. Edward Nelson Fuller (3 out of 28 patents)

15. Jill Sherwood (2 out of 6 patents)

Core Competencies:

MEMS Valve

Fluid Control

Microvalve

Solder Attachment

Refrigeration

Flow Control

Bi-Stable Valve

Superheat Control

Heating Systems

Stress Isolation

Calibration Equipment

Adaptive Control

45 patents: Sort by Forward Citations

1. 11353140 - Two port mems silicon flow control valve (2022-06-07),

2. 10948102 - Two-stage fluid control valve having a first stage bi-stable two-port valve and a second stage microvalve (2021-03-16),

3. 10905844 - Metering valve for a metered dose inhaler (2021-02-02),

4. 10760836 - Expansion valve (2020-09-01),

5. 10760702 - Bi-stable two-port valve (2020-09-01),

6. 10662057 - Method for self-aligning solder-attached mems die to a mounting surface (2020-05-26),

7. 10648719 - Heating, ventilating, air conditioning, and refrigeration system with simultaneous sub-cooling and superheat control (2020-05-12),

8. 10640374 - Method and structure of attachment layer for reducing stress transmission to attached MEMS die (2020-05-05),

9. 10589052 - Metering valve for a metered dose inhaler (2020-03-17),

10. 10563896 - Apparatus for calibrating and testing multiple superheat controllers (2020-02-18),

11. 10556072 - Metering device for a metered dose inhaler (2020-02-11),

12. 10544040 - Method and structure for preventing solder flow into a MEMS pressure port during MEMS die attachment (2020-01-28),

13. 10457547 - Multi-layer, stress-isolation platform for a MEMS die (2019-10-29),

14. 10443712 - Open loop control system for a MEMS microvalve (2019-10-15),

15. 10429108 - Method of maintaining the flow rate of a refrigerant while maintaining superheat (2019-10-01),

Company Overview

Dunan Microstaq, Inc., based in Austin, TX, specializes in advanced MEMS technology and microvalve design, focusing on fluid control systems. The company is known for its innovative solutions in bi-stable valves, which are critical for applications such as metered dose inhalers and refrigeration control. Their expertise extends to solder attachment techniques and superheat control, positioning them as a key player in the development of precision components for various industries, including healthcare and HVAC systems.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

45 Patents

#64 in Austin, TX

#432 in Texas

#7,791 in US

#15,458 in the World

Austin, TX, United States of America

Dunan Microstaq, Inc.

Forward Citations = 136

28 inventors:

Parthiban Arunasalam (25 out of 33 patents)

Joe Albert Ojeda, Sr (24 out of 25 patents)

E Nelson Fuller (17 out of 18 patents)

4. Chen Yang (13 out of 14 patents)

5. Gengxun Kara Gurley (13 out of 14 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dunan Microstaq, Inc.. Retrieved from https://idiyas.com/company/dunan-microstaq

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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