Portfolio comparison
Central Glass Co Ltd vs eBay Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Central Glass Co Ltd
Patents indexed
1
Year range
2000
Most recent
2000
automotivemechanicalmaterials
Top Patents1 enriched
US 6033785· 2000
How Car Windows Use Special Coatings to Balance Privacy and Visibility
Activity by Decade
2000s1
Company B
eBay Inc
Patents indexed
2
Year range
2014 – 2023
Most recent
2023
softwareecommerceai_mlconsumer_electronics
Top Patents2 enriched
US 8825660· 2014
How eBay Uses Image Fingerprints to Search for Products
US 11593558· 2023
How eBay Uses AI to Identify Brands in Search Queries
Activity by Decade
2010s1
2020s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.