Portfolio comparison
Toshiba Corp vs Columbia Network Security Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Toshiba Corp
Patents indexed
1
Year range
1999
Most recent
1999
semiconductorsconsumer_electronics
Top Patents1 enriched
US 5903495· 1999
How Multi-Level Cell Memory Stores More Data in Less Space
Activity by Decade
1990s1
Company B
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
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