Portfolio comparison
Hybritech Inc vs Covestro Deutschland AG
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Hybritech Inc
Patents indexed
1
Year range
1983
Most recent
1983
biotechpharmaceuticaldiagnosticsmedical_devices
Top Patents1 enriched
US 4376110· 1983
How Two Special Antibodies Find Substances in Body Fluids
Activity by Decade
1980s1
Company B
Covestro Deutschland AG
Patents indexed
1
Year range
2024
Most recent
2024
consumer_electronicstelecommunicationsmaterials
Top Patents1 enriched
US 12086666· 2024
How to Make Reusable Plastic SIM Card Holders
Activity by Decade
2020s1
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