C & K Systems, Co.

Calculating rank

USPTO Granted Patents = 1

Forward Citations = 14

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1 inventor (with patents filed for the assignee):

Richard A Johnson (1 out of 4 patents)

1 patent: Sort by Forward Citations

1. 5107249 - Intrusion detection system having improved immunity to false alarm (1992-04-21),

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USPTO Data Jan 1 1976 - Nov 3 2026

1 Patents

#30 in Folsom, CA

#29,081 in California

#137,062 in US

Folsom, CA, United States of America

C & K Systems, Co.

Forward Citations = 14

1 inventor:

Richard A Johnson (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: C & K Systems, Co.. Retrieved from https://idiyas.com/company/c-and-k-systems-company

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]