Portfolio comparison
Bell Telephone Laboratories Inc vs International Business Machines Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Bell Telephone Laboratories Inc
Patents indexed
2
Year range
1951 – 1957
Most recent
1957
semiconductorscomputingelectronicsphysicstelecommunications
Top Patents2 enriched
US 2569347· 1951
The Transistor — The Invention That Made the Digital Age Possible
US 2780765· 1957
The First Solar Cell That Could Actually Power Something
Activity by Decade
1950s2
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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