Portfolio comparison
Alipay Hangzhou Information Technology Co vs Ampex Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Alipay Hangzhou Information Technology Co
Patents indexed
1
softwaretelecommunicationsecommerceai_mlfinance
Top Patents1 enriched
US 20240144032
How to Combine Information from Multiple Knowledge Graphs
Company B
Ampex Corp
Patents indexed
1
Year range
1960
Most recent
1960
consumer_electronicsmechanicaltelecommunications
Top Patents1 enriched
US 2956114· 1960
How Ampex Invented Modern Video Recording on Magnetic Tape
Activity by Decade
1960s1
How to use
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