Laguna Hills, CA, United States of America

Stage 5 Enterprises, LLC

Calculating rank

USPTO Granted Patents = 3

Forward Citations = 7

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2 inventors (with patents filed for the assignee):

Emil Chao (3 out of 7 patents)

Charles E Chang (3 out of 75 patents)

3 patents: Sort by Forward Citations

1. 10247501 - Tool and method for modifying a magazine lock (2019-04-02),

2. 10239170 - Precision gun smith platform (2019-03-26),

3. 9945631 - Tool and method for modifying a magazine lock (2018-04-17),

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USPTO Data Jan 1 1976 - Nov 3 2026

3 Patents

#33 in Laguna Hills, CA

#16,881 in California

#73,948 in US

Laguna Hills, CA, United States of America

Stage 5 Enterprises, LLC

Forward Citations = 7

2 inventors:

Emil Chao (3 out of 7 patents)

Charles E Chang (3 out of 75 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Stage 5 Enterprises, LLC. Retrieved from https://idiyas.com/company/stage-5-enterprises

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]