Portfolio comparison
Yangtze Memory Technologies Co vs Columbia Network Security Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Yangtze Memory Technologies Co
Patents indexed
2
Year range
2024 – 2025
Most recent
2025
semiconductorsconsumer_electronicstelecommunicationssoftwaredata_storage
Top Patents2 enriched
US 12450117· 2025
How a Special Memory Chip Helps Fix Broken 3D NAND Storage
US 12142328· 2024
How to Precisely Erase Data in 3D NAND Flash Memory
Activity by Decade
2020s2
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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