Portfolio comparison
Dolby International AB vs Elisha G. Otis
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Dolby International AB
Patents indexed
1
Year range
2020
Most recent
2020
telecommunicationsconsumer_electronicssoftware
Top Patents1 enriched
US RE47935· 2020
How Digital Audio Compression Saves Space by Copying Frequencies
Activity by Decade
2020s1
Top Patents1 enriched
US 31128· 1861
How Elisha Otis Invented the Modern Safety Elevator
Activity by Decade
1860s1
How to use
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