Portfolio comparison
Toshiba Corp vs Marvin C. Stone
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Toshiba Corp
Patents indexed
1
Year range
1999
Most recent
1999
semiconductorsconsumer_electronics
Top Patents1 enriched
US 5903495· 1999
How Multi-Level Cell Memory Stores More Data in Less Space
Activity by Decade
1990s1
Top Patents1 enriched
US 375962· 1888
How the Modern Paper Drinking Straw Was Invented
Activity by Decade
1880s1
How to use
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