Portfolio comparison
Voice Life vs James Ritty
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 271363· 1883
How James Ritty's First Cash Register Tracked Sales
Activity by Decade
1880s1
How to use
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