For the Inventor, By the Inventor

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Victoria, MN, United States of America

Hei, Inc.

USPTO Granted Patents = 19

% Expired Patents = 21.1

EPO Patents = 2

Forward Citations = 666

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25 inventors (with patents filed for the assignee):

Parker Chandler (3 out of 3 patents)

Theodore T Paczkowski (2 out of 2 patents)

River Guanghua Huang (2 out of 2 patents)

4. Guanghua River Huang (2 out of 12 patents)

5. Scott J Kazle (2 out of 2 patents)

6. Ronald O Lindberg (2 out of 2 patents)

7. Wayne A Mueller (2 out of 2 patents)

8. David K Robertson (2 out of 2 patents)

9. Scott M Stole (1 out of 2 patents)

10. James A Willmore (1 out of 5 patents)

11. River (Guanghua) Huang (1 out of 1 patent)

12. Gregory Wambeke (1 out of 1 patent)

13. Glen Zirbes (1 out of 1 patent)

14. Richard A Marsteller (1 out of 1 patent)

15. Hans E Heyn (1 out of 3 patents)

19 patents: Sort by Forward Citations

1. 12345773 - System for estimating the state of health (SOH) of battery, system and method for deriving parameters therefor (2025-07-01),

2. 7624499 - Flexible circuit having an integrally formed battery (2009-12-01),

3. 6838953 - High-frequency interconnection for circuits (2005-01-04),

4. 6798223 - Test methods, systems, and probes for high-frequency wireless-communications devices (2004-09-28),

5. 6696952 - Structures and assembly methods for radio-frequency-identification modules (2004-02-24),

6. 6674869 - Hearing-aid assembly using folded flex circuits (2004-01-06),

7. 6646521 - Connection for conducting high frequency signal between a circuit and a discrete electric component (2003-11-11),

8. 6517282 - Erosion control mats (2003-02-11),

9. 6469592 - High-frequency interconnection for circuits (2002-10-22),

10. 6294966 - Interconnection device (2001-09-25),

11. 6014320 - High density stacked circuit module (2000-01-11),

12. 5936847 - Low profile electronic circuit modules (1999-08-10),

13. 5847930 - Edge terminals for electronic circuit modules (1998-12-08),

14. 4677428 - Cordless light pen (1987-06-30),

15. 4603261 - Document reading apparatus (1986-07-29),

Hei, Inc. is a technology-driven company based in Victoria, Minnesota, specializing in innovative solutions for the healthcare and medical device sectors. The organization focuses on developing advanced technologies that enhance patient care and streamline healthcare processes. With a commitment to research and development, Hei, Inc. aims to address critical challenges in medical technology, leveraging expertise in engineering and design to create impactful products that improve outcomes in various healthcare settings.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

19 Patents

#1 in Victoria, MN

#509 in Minnesota

#17,123 in US

#32,623 in the World

Victoria, MN, United States of America

Hei, Inc.

Forward Citations = 666

25 inventors:

Parker Chandler (3 out of 3 patents)

Theodore T Paczkowski (2 out of 2 patents)

River Guanghua Huang (2 out of 2 patents)

4. Guanghua River Huang (2 out of 12 patents)

5. Scott J Kazle (2 out of 2 patents)

Please report any incorrect information to [email protected]

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