Portfolio comparison
Minnesota Mining and Manufacturing Co vs Dolby Laboratories Licensing
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Minnesota Mining and Manufacturing Co
Patents indexed
2
Year range
1930 – 1979
Most recent
1979
materialsconsumer_electronics
Top Patents2 enriched
US 4166152· 1979
The Sticky Microscopic Beads Behind Post-it Notes
US 1760820· 1930
How Richard Drew Invented Modern Transparent Adhesive Tape
Activity by Decade
1930s1
1970s1
Company B
Dolby Laboratories Licensing
Patents indexed
3
Year range
2020 – 2021
Most recent
2021
consumer_electronicssoftwaretelecommunicationsmedia_entertainment
Top Patents3 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 11006212· 2021
How a Speaker Bounces Sound Off the Ceiling for Wider Audio
Activity by Decade
2020s3
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