Portfolio comparison
Hohai University HHU vs Elisha G. Otis
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Hohai University HHU
Patents indexed
1
Year range
2023
Most recent
2023
ai_mlsoftwarecivil_engineeringdata_analytics
Top Patents1 enriched
US 11842324· 2023
AI for Spotting Dam Problems in Inspection Reports
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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