Portfolio comparison
Hangzhou Tonghuashun Data Processing Co vs Black and Decker Inc
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
Black and Decker Inc
Patents indexed
1
Year range
2021
Most recent
2021
consumer_electronicsmechanical
Top Patents1 enriched
US RE48399· 2021
How to Make Electric Motors Run Smoother and Last Longer
Activity by Decade
2020s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.