Portfolio comparison
California Institute of Technology vs eBay Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
California Institute of Technology
Patents indexed
3
Year range
1987 – 2019
Most recent
2019
consumer_electronicssemiconductorssoftwareai_mltelecommunications
Top Patents3 enriched
US 5471515· 1995
How a Modern Camera Sensor Captures Light and Converts It to Data
US 10362429· 2019
How Wearable Tech Uses 3D Sound to Guide Visually Impaired People
US 4660166· 1987
How Hopfield Networks Use Resistors to Mimic Brain-Like Memory
Activity by Decade
1980s1
1990s1
2010s1
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
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