Portfolio comparison
Yangtze Memory Technologies Co vs Amazon Technologies 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
Amazon Technologies Inc
Patents indexed
14
Year range
2011 – 2020
Most recent
2020
softwaretelecommunicationsecommerceconsumer_electronicsai_ml
Top Patents14 enriched
US 10878335· 2020
How Computers Find Similar Text Using Compact Data Structures
US 9280591· 2016
How Databases Keep Read-Only Copies Up-to-Date
US 9332078· 2016
How Amazon Delivers Content Faster Using Local Servers
Activity by Decade
2010s12
2020s2
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