Portfolio comparison
Contemporary Amperex Technology Co vs Toyota Central R&D Labs Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 20240047988
Smartly Turning On and Off a Vehicle Battery Charger
Company B
Toyota Central R&D Labs Inc
Patents indexed
1
Year range
1998
Most recent
1998
consumer_electronicssoftwareautomotiveecommerce
Top Patents1 enriched
US 5726435· 1998
How the QR Code Works
Activity by Decade
1990s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.