Skip to content
PatentBrief

Inventor

Martin Abadi

Patents indexed

1

Year range

2001

Associated with

Years active

2001

Total patents

1

Most recent

2001

Frequent collaborator

Andrei Z. Broder

Domains

consumer_electronicssoftwaretelecommunicationsai_ml

Activity by decade

2000s
1

Patents

1

Career timeline

1 patents, in 2001

Dot size = forward citations

20012002

Hover or tap any dot to see the patent. Larger dots indicate more forward citations — a proxy for downstream influence.

US 6195698·2001·Compaq Computer Corp

How Websites Use Distorted Text Riddles to Stop Bots

This patent describes the original method for creating CAPTCHAs, using distorted text or audio riddles to distinguish human users from automated bots.

Patent monitoring

Get a weekly digest when new patents naming Martin Abadi are indexed.

Get alerts →