Forward Citations = 97

Loading Chart...

4 inventors (with patents filed for the assignee):

Herbert A Asch (3 out of 3 patents)

Richard Eugene Klaassen (3 out of 16 patents)

Bruce Willard Hultgren (1 out of 40 patents)

4. Dan Castner (1 out of 2 patents)

3 patents: Sort by Forward Citations

1. 9877700 - Ultrasound imaging of anatomy (2018-01-30),

2. 6638219 - Method of mapping internal 3-D structure of dental formations (2003-10-28),

3. 6050821 - Ultrasonic method and apparatus for creating dental impressions (2000-04-18),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#272 in Cincinnati, OH

#2,864 in Ohio

#73,904 in US

Cincinnati, OH, United States of America

Asch-Klaassen Sonics, Inc.

Forward Citations = 97

4 inventors:

Herbert A Asch (3 out of 3 patents)

Richard Eugene Klaassen (3 out of 16 patents)

Bruce Willard Hultgren (1 out of 40 patents)

4. Dan Castner (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Asch-Klaassen Sonics, Inc.. Retrieved from https://idiyas.com/company/asch-klaassen-sonics

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]