Portfolio comparison
American Express Travel Related Services Co Inc vs Dolby Laboratories Licensing
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
Dolby Laboratories Licensing
Patents indexed
6
Year range
2020 – 2025
Most recent
2025
consumer_electronicssoftwaretelecommunicationsmedia_entertainmentgaming
Top Patents6 enriched
US 11178503· 2021
How Smart Speakers Adapt Sound to Your Room and Listening Spot
US 10743125· 2020
How a Device Renders Immersive Sound Objects Using Speaker Virtualization
US 12335718· 2025
How to Mix Sound for Different Speaker Setups
Activity by Decade
2020s6
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.