Portfolio comparison
Sperry Corp vs Toshiba 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
Toshiba Corp
Patents indexed
1
Year range
1999
Most recent
1999
semiconductorsconsumer_electronicstelecommunicationssoftware
Top Patents1 enriched
US 5903495· 1999
How Flash Memory Stores Multiple Bits in One Cell
Activity by Decade
1990s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.