Portfolio comparison
Toshiba Corp vs Standard Oil Co
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 1049667· 1913
How William Burton Invented Modern Gasoline Refining
Activity by Decade
1910s1
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