Portfolio comparison
Nitto Denko Corp vs Bell Telephone Laboratories Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 10155945· 2018
How to Build Tiny Lipid Capsules to Deliver Genetic Medicines
Activity by Decade
2010s1
Company B
Bell Telephone Laboratories Inc
Patents indexed
5
Year range
1950 – 1963
Most recent
1963
semiconductorsconsumer_electronicstelecommunicationsenergy
Top Patents5 enriched
US 2569347· 1951
The Invention of the Junction Transistor
US 2524035· 1950
The Invention of the Transistor
US 2929922· 1960
How the First Laser Was Invented
Activity by Decade
1950s3
1960s2
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.