Portfolio comparison
American Express Travel Related Services Co Inc vs Hohai University HHU
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
American Express Travel Related Services Co Inc
Patents indexed
2
Year range
2010 – 2019
Most recent
2019
financeconsumer_electronicssoftwaretelecommunications
Top Patents2 enriched
US 7672870· 2010
How American Express Tracks Your Spending Habits Across Different Stores
US 10176475· 2019
How a Single Card Can Pay for Transit Using Loyalty Points
Activity by Decade
2010s2
Company B
Hohai University HHU
Patents indexed
1
Year range
2023
Most recent
2023
ai_mlsoftwarecivil_engineeringdata_analytics
Top Patents1 enriched
US 11842324· 2023
AI for Spotting Dam Problems in Inspection Reports
Activity by Decade
2020s1
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