Portfolio comparison
Voice Life vs Nat Res Dev
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Voice Life
Patents indexed
1
Year range
2021
Most recent
2021
consumer_electronicstelecommunicationssoftwarematerialssemiconductors
Top Patents1 enriched
US 11171521· 2021
How a Device Receives Wireless Power Using Terahertz Waves and Blockchain
Activity by Decade
2020s1
Top Patents1 enriched
US 2799449· 1957
How Alan Turing Designed Early Computer Memory Systems
Activity by Decade
1950s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.