Amazon.com, Inc.
163Patents
63Active
163Granted
49Portfolio score
Filing activity: Mar 30, 1995 → Apr 15, 2014 · 48 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5960411A | Method and system for placing a purchase order via a communications network | Emerging Cross-Sectional Technologies | 2,405 | Expired |
| US6029141A | Internet-based customer referral system | Emerging Cross-Sectional Technologies | 1,981 | Expired |
| US6266649A | Collaborative recommendations using item-to-item similarity mappings | Physics | 1,126 | Expired |
| US6269369A | Networked personal contact manager | Emerging Cross-Sectional Technologies | 1,118 | Expired |
| US6006225A | Refining search queries by the suggestion of correlated terms from prior searches | Emerging Cross-Sectional Technologies | 928 | Expired |
| US6064980A | System and methods for collaborative recommendations | Physics | 771 | Expired |
| US5715399A | Secure method and system for communicating a list of credit card numbers over a non-secure network | Physics | 713 | Expired |
| US6564213B1 | Search query autocompletion | Emerging Cross-Sectional Technologies | 668 | Expired |
| US6853982B2 | Content personalization based on actions performed during a current browsing session | Emerging Cross-Sectional Technologies | 632 | Expired |
| US6317722A | Use of electronic shopping carts to generate personal recommendations | Electricity | 587 | Expired |
| US5727163A | Secure method for communicating credit card data when placing an order on a non-secure network | Physics | 521 | Expired |
| US6185558A | Identifying the items most relevant to a current query based on items selected in connection with similar queries | Emerging Cross-Sectional Technologies | 513 | Expired |
| US6912505B2 | Use of product viewing histories of users to identify related products | Emerging Cross-Sectional Technologies | 508 | Expired |
| US6785671B1 | System and method for locating web-based product offerings | Emerging Cross-Sectional Technologies | 504 | Expired |
| US6360254B1 | System and method for providing secure URL-based access to private resources | Physics | 499 | Expired |
| US7194437B1 | Computer-based funds transfer system | Physics | 458 | Expired |
| US6169986A | System and method for refining search queries | Emerging Cross-Sectional Technologies | 445 | Expired |
| US6963850B1 | Computer services for assisting users in locating and evaluating items in an electronic catalog based on actions performed by members of specific user communities | Physics | 430 | Expired |
| US6772150B1 | Search query refinement using related search phrases | Emerging Cross-Sectional Technologies | 395 | Expired |
| US7433832B1 | Methods and systems for distributing information within a dynamically defined community | Physics | 373 | Expired |
| US6466918B1 | System and method for exposing popular nodes within a browse tree | Emerging Cross-Sectional Technologies | 320 | Expired |
| US7113917B2 | Personalized recommendations of items represented within a database | Emerging Cross-Sectional Technologies | 318 | Expired |
| US6175823A | Electronic gift certificate system | Physics | 254 | Expired |
| US6489968B1 | System and method for exposing popular categories of browse tree | Emerging Cross-Sectional Technologies | 247 | Expired |
| US7082407B1 | Purchase notification service for assisting users in selecting items from an electronic catalog | Physics | 225 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.