Portfolio comparison
Columbia Network Security Inc vs Digimarc Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Columbia Network Security Inc
Patents indexed
1
Year range
2019
Most recent
2019
consumer_electronicstelecommunicationsmechanical
Top Patents1 enriched
US 10241750· 2019
How to Trick Your Phone Into Muting Its Own Microphone
Activity by Decade
2010s1
Company B
Digimarc Corp
Patents indexed
1
Year range
2003
Most recent
2003
softwareconsumer_electronicsai_ml
Top Patents1 enriched
US 6567533· 2003
How Digital Images Hide Invisible Markers to Track Rotation and Scaling
Activity by Decade
2000s1
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