Forward Citations = 2

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2 inventors (with patents filed for the assignee):

Seongsik Chang (2 out of 49 patents)

Dean Hafeman (2 out of 2 patents)

2 patents: Sort by Forward Citations

1. 12515005 - Self-contained face mask system with automatic droplet dispenser for humidification (2026-01-06),

2. 11433212 - Self-contained face mask system with automatic droplet dispenser for humidification (2022-09-06),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#1 in Greenleaf, WI

#1,897 in Wisconsin

#94,905 in US

Greenleaf, WI, United States of America

Health Micro Devices Corporation

Forward Citations = 2

2 inventors:

Seongsik Chang (2 out of 49 patents)

Dean Hafeman (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Health Micro Devices Corporation. Retrieved from https://idiyas.com/company/health-micro-devices

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]