Portfolio comparison
Cetus Corp vs Levi Strauss & Co.
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Cetus Corp
Patents indexed
5
Year range
1987 – 1991
Most recent
1991
biotechresearch_toolspharmaceuticaldiagnosticsmedical_devices
Top Patents5 enriched
US 4683195· 1987
How to Make Billions of Copies of a DNA Segment
US 4965188· 1990
How to Make Many Copies of a DNA Piece with Heat
US 4683202· 1987
How to Make Many Copies of a Specific DNA Segment
Activity by Decade
1980s3
1990s2
Company B
Levi Strauss & Co.
Patents indexed
1
Year range
1873
Most recent
1873
mechanicalconsumer_electronics
Top Patents1 enriched
US 139121· 1873
How Levi Strauss Invented the Copper-Riveted Jean Pocket
Activity by Decade
1870s1
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