Portfolio comparison
Caterpillar Japan Ltd vs Ampex Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Caterpillar Japan Ltd
Patents indexed
1
Year range
2010
Most recent
2010
mechanicalai_mltelecommunicationsconsumer_electronics
Top Patents1 enriched
US 7664715· 2010
How Caterpillar Compresses Heavy Machinery Data Using Neural Networks
Activity by Decade
2010s1
Company B
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
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