Portfolio comparison
Toyota Central R&D Labs Inc vs Exxon Research and Engineering Co
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
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
Company B
Exxon Research and Engineering Co
Patents indexed
1
Year range
1977
Most recent
1977
consumer_electronicssemiconductorsenergymaterialschemical
Top Patents1 enriched
US 4009052· 1977
Early Lithium-Ion Battery Design Using Chalcogenides
Activity by Decade
1970s1
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