Portfolio comparison
Sperry Corp vs International Business Machines Corp
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_electronicssemiconductors
Top Patents1 enriched
US 4558302· 1985
How Computers Shrink Data Using a Dynamic Dictionary
Activity by Decade
1980s1
Company B
International Business Machines Corp
Patents indexed
6
Year range
1968 – 2018
Most recent
2018
semiconductorsconsumer_electronicssoftwaretelecommunicationsadvertising
Top Patents4 enriched
US 6370526· 2002
Google AdWords — The Auction System That Made Search Profitable
US 3387286· 1968
DRAM — The Memory in Every Computer, Phone, and Server
US 5682513· 1997
How IBM Linked Data Updates for Disaster Recovery
Activity by Decade
1960s1
1990s1
2000s2
2010s2
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