Portfolio comparison
Sperry Corp vs Panasonic Intellectual Property Corp of America
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Sperry Corp
Patents indexed
1
Year range
1985
Most recent
1985
softwaretelecommunicationsconsumer_electronics
Top Patents1 enriched
US 4558302· 1985
How Computers Compress Data Using Dictionary Building
Activity by Decade
1980s1
Company B
Panasonic Intellectual Property Corp of America
Patents indexed
1
Year range
2020
Most recent
2020
consumer_electronicstelecommunications
Top Patents1 enriched
US RE48232· 2020
Using Cordless Phones to Send Voice Commands to Smart Home Devices
Activity by Decade
2020s1
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