Portfolio comparison
EC Power vs American Express Travel Related Services Co Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
EC Power
Patents indexed
2
Year range
2018 – 2019
Most recent
2019
consumer_electronicsautomotivetelecommunicationsenergysemiconductors
Top Patents2 enriched
US 10186887· 2019
How Batteries Charge Fast in the Cold Without Damage
US 9882197· 2018
How a Battery Heats Itself in the Cold for Better Performance
Activity by Decade
2010s2
Company B
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
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