Portfolio comparison
James Ritty vs Tianjin University
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 271363· 1883
How James Ritty's First Cash Register Tracked Sales
Activity by Decade
1880s1
Company B
Tianjin University
Patents indexed
1
Year range
2024
Most recent
2024
energyrenewable_energytelecommunicationssoftwareai_ml
Top Patents1 enriched
US 11862969· 2024
Optimizing Hybrid Batteries for Grid-Connected Wind Power Systems
Activity by Decade
2020s1
How to use
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