CIPO Patents = 1

Forward Citations = 336

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9 inventors (with patents filed for the assignee):

John Andrew Adams (6 out of 49 patents)

Robert L Corey (6 out of 8 patents)

Bruce D Baker (6 out of 8 patents)

4. Edward W Ross (5 out of 8 patents)

5. Gerald S Russell (1 out of 3 patents)

6. Kerry L Brown (1 out of 1 patent)

7. David C Reynolds (1 out of 1 patent)

8. Brian L Ganz (1 out of 1 patent)

9. Christopher S Sexton (1 out of 5 patents)

6 patents: Sort by Forward Citations

1. 5291535 - Method and apparatus for detecting excess/insufficient solder defects (1994-03-01),

2. 5259012 - Laminography system and method with electromagnetically directed (1993-11-02),

3. 5199054 - Method and apparatus for high resolution inspection of electronic items (1993-03-30),

4. 5097492 - Automated laminography system for inspection of electronics (1992-03-17),

5. 5081656 - Automated laminography system for inspection of electronics (1992-01-14),

6. 4926452 - Automated laminography system for inspection of electronics (1990-05-15),

Company Overview

Four Pi Systems Corporation is a leading provider of software solutions for businesses. Our innovative products help companies streamline their operations, improve efficiency, and drive growth. With a focus on delivering user-friendly and customizable solutions, Four Pi Systems is dedicated to helping businesses succeed in today's competitive market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

6 Patents

#762 in San Diego, CA

#10,578 in California

#45,007 in US

San Diego, CA, United States of America

Four Pi Systems Corporation

Forward Citations = 336

9 inventors:

John Andrew Adams (6 out of 49 patents)

Robert L Corey (6 out of 8 patents)

Bruce D Baker (6 out of 8 patents)

4. Edward W Ross (5 out of 8 patents)

5. Gerald S Russell (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Four Pi Systems Corporation. Retrieved from https://idiyas.com/company/four-pi-systems

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]