Portfolio comparison
Corning Glass Works vs Covestro Deutschland AG
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Corning Glass Works
Patents indexed
2
Year range
1973
Most recent
1973
materialsmechanicaltelecommunicationsconsumer_electronics
Top Patents2 enriched
US 3711262· 1973
How Corning Invented Modern Fiber Optic Cables
US 3778335· 1973
How Chemically Strengthened Glass Works
Activity by Decade
1970s2
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
How to use
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