Portfolio comparison
Hymen L. Lipman vs Texas Instruments Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 19783· 1858
How the Pencil and Eraser Became One Tool
Activity by Decade
1850s1
Company B
Texas Instruments Inc
Patents indexed
3
Year range
1964 – 1974
Most recent
1974
consumer_electronicssemiconductorsmechanicaltelecommunications
Top Patents3 enriched
US 3819921· 1974
How Texas Instruments Invented the Handheld Electronic Calculator
US 3293513· 1966
How the First Infrared LED Was Invented
US 3138743· 1964
How Jack Kilby Invented the First Integrated Circuit
Activity by Decade
1960s2
1970s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.