Portfolio comparison
Exxon Research and Engineering Co vs Dolby Laboratories Licensing
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Exxon Research and Engineering Co
Patents indexed
1
Year range
1977
Most recent
1977
consumer_electronicssemiconductorsenergymaterialschemical
Top Patents1 enriched
US 4009052· 1977
Early Lithium-Ion Battery Design Using Chalcogenides
Activity by Decade
1970s1
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
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