Portfolio comparison
Columbia Network Security Inc vs EMI Ltd
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
Top Patents1 enriched
US 3778614· 1973
How Early CT Scans Created Detailed Body Images
Activity by Decade
1970s1
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