Portfolio comparison
Exxon Research and Engineering Co vs Mitsubishi Electric Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
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
Company B
Mitsubishi Electric Corp
Patents indexed
2
Year range
2025
Most recent
2025
consumer_electronicsai_mlmechanical
Top Patents2 enriched
US 12398901· 2025
How Air Conditioners Use Radio Signals to Locate Your Remote Control
US 12343456· 2025
How Smart Air Conditioners Target and Disinfect High-Touch Surfaces
Activity by Decade
2020s2
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