Portfolio comparison
US Department of Navy vs Amazon com Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
US Department of Navy
Patents indexed
1
Year range
1974
Most recent
1974
telecommunicationsaerospacedefensesoftwareelectronics
Top Patents1 enriched
US 3789410· 1974
Measuring Distance to a Radio Emitter from a Moving Vehicle
Activity by Decade
1970s1
Company B
Amazon com Inc
Patents indexed
2
Year range
1999 – 2001
Most recent
2001
ecommercesoftwaretelecommunicationsconsumer_electronicsai_ml
Top Patents2 enriched
US 5960411· 1999
How Amazon's One-Click Online Ordering System Works
US 6266649· 2001
How Online Stores Suggest 'You Might Also Like' Products
Activity by Decade
1990s1
2000s1
How to use
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