% Expired Patents = 100.0

EPO Patents = 2

Forward Citations = 63

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5 inventors (with patents filed for the assignee):

Darin Howard Buxbaum (3 out of 7 patents)

Charles S Hsu (3 out of 3 patents)

Ivan T Tzvetanov (3 out of 3 patents)

4. Jennifer T Blundo (3 out of 3 patents)

5. Fan Zhang (3 out of 39 patents)

3 patents: Sort by Forward Citations

1. 8257374 - Methods and devices for treating obesity and GERD by intussuscepting a portion of stomach tissue (2012-09-04),

2. 8100925 - Methods and devices for treating obesity and GERD by intussuscepting a portion of stomach tissue (2012-01-24),

3. 8083758 - Methods and devices for treating obesity and GERD by intussuscepting a portion of stomach tissue (2011-12-27),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#276 in Redwood City, CA

#16,858 in California

#73,860 in US

Redwood City, CA, United States of America

Hourglass Technologies, Inc.

Forward Citations = 63

5 inventors:

Darin Howard Buxbaum (3 out of 7 patents)

Charles S Hsu (3 out of 3 patents)

Ivan T Tzvetanov (3 out of 3 patents)

4. Jennifer T Blundo (3 out of 3 patents)

5. Fan Zhang (3 out of 39 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hourglass Technologies, Inc.. Retrieved from https://idiyas.com/company/hourglass-technologies

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]

2 patents (EPO):

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]