Pleasanton, CA, United States of America

Sandstone Diagnostics, Inc.

Calculating rank

USPTO Granted Patents = 6

CIPO Patents = 1

EPO Patents = 1

Forward Citations = 16

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10 inventors (with patents filed for the assignee):

Ulrich Y Schaff (6 out of 21 patents)

Jon Epperson (4 out of 4 patents)

Laura Fredriksen (4 out of 4 patents)

4. Kirk Harmon (3 out of 10 patents)

5. Greg Sommer (3 out of 5 patents)

6. Christopher Tomkins-Tinch (2 out of 4 patents)

7. Jason C Sauers (1 out of 71 patents)

8. Bhairavi Rajiv Parikh (1 out of 1 patent)

9. Jenq-Thun Li (1 out of 1 patent)

10. Kyungjin Hong (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 12668829 - Devices and methods for determining particle concentration in a sample (2026-06-30),

2. 10870109 - Sample cup (2020-12-22),

3. D867611 - Sample cup (2019-11-19),

4. 10376877 - Automated sample processing, fluid distribution, and sedimentation assay (2019-08-13),

5. 10197480 - Methods and devices for processing samples and counting cells (2019-02-05),

6. D837998 - Centrifuge cartridge (2019-01-08),

Company Overview

Sandstone Diagnostics, Inc. is a leading developer of innovative medical devices for the testing and monitoring of critical health parameters. Their flagship product, the Trak® Male Fertility Testing System, is revolutionizing the way men approach and manage their reproductive health. With a commitment to accuracy, convenience, and accessibility, Sandstone Diagnostics is dedicated to improving the lives of individuals and families worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

6 Patents

#92 in Pleasanton, CA

#10,583 in California

#45,030 in US

Pleasanton, CA, United States of America

Sandstone Diagnostics, Inc.

Forward Citations = 16

10 inventors:

Ulrich Y Schaff (6 out of 21 patents)

Jon Epperson (4 out of 4 patents)

Laura Fredriksen (4 out of 4 patents)

4. Kirk Harmon (3 out of 10 patents)

5. Greg Sommer (3 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sandstone Diagnostics, Inc.. Retrieved from https://idiyas.com/company/sandstone-diagnostics

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]

1 patent (CIPO):

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]

1 patent (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]