Portfolio comparison
Ampex Corp vs Mazda Motor
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Ampex Corp
Patents indexed
1
Year range
1960
Most recent
1960
consumer_electronicsmechanicaltelecommunications
Top Patents1 enriched
US 2956114· 1960
How Ampex Invented Modern Video Recording on Magnetic Tape
Activity by Decade
1960s1
Company B
Mazda Motor
Patents indexed
1
Year range
2022
Most recent
2022
automotiveconsumer_electronicsenergy
Top Patents1 enriched
US 11351876· 2022
How a Car Battery Charges from High-Voltage Stations Using a Capacitor
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.