Portfolio comparison
Hangzhou Tonghuashun Data Processing Co vs James L. Plimpton
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Hangzhou Tonghuashun Data Processing Co
Patents indexed
1
softwareai_mlecommercetelecommunicationsfinance
Top Patents1 enriched
US 20230419182
How AI and Blockchain Team Up to Predict What You'll Buy
Company B
James L. Plimpton
Patents indexed
1
Year range
1863
Most recent
1863
mechanicalconsumer_electronics
Top Patents1 enriched
US 37305· 1863
How James Plimpton Invented the Modern Roller Skate
Activity by Decade
1860s1
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