COLUMBIA UNIVERSITY
82Patents
26Active
82Granted
46Portfolio score
Filing activity: Feb 25, 1980 → May 10, 2022 · 17 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4399216A | Processes for inserting DNA into eucaryotic cells and for producing proteinaceous materials | Emerging Cross-Sectional Technologies | 934 | Expired |
| US5760826A | Omnidirectional imaging apparatus | Electricity | 433 | Expired |
| US5840059A | Therapeutic and diagnostic agent delivery | Human Necessities | 248 | Expired |
| US6751623B1 | Flexible interchange of coded multimedia facilitating access and streaming | Emerging Cross-Sectional Technologies | 128 | Expired |
| US5987467A | Method of calculating tuples for data cubes | Emerging Cross-Sectional Technologies | 108 | Expired |
| US5497504A | System and method for connection control in mobile communications | Electricity | 103 | Expired |
| US6092107A | System and method for interfacing MPEG-coded audiovisual objects permitting adaptive control | Electricity | 99 | Expired |
| US6026390A | Cost-based maintenance of materialized views | Emerging Cross-Sectional Technologies | 98 | Expired |
| US6941325B1 | Multimedia archive description scheme | Emerging Cross-Sectional Technologies | 85 | Expired |
| US6563077B2 | System for providing a continuous motion sequential lateral solidification | Electricity | 78 | Expired |
| US5697066A | Media access protocol for packet access within a radio cell | Electricity | 66 | Expired |
| US6001579A | Supports and combinatorial chemical libraries thereof encoded by non-sequencable tags | Chemistry; Metallurgy | 66 | Expired |
| US6339450B1 | Error resilient transcoding for video over wireless channels | Electricity | 54 | Expired |
| US4957858A | Replicative RNA reporter systems | Emerging Cross-Sectional Technologies | 50 | Expired |
| US5530575A | Systems and methods for employing a recursive mesh network with extraplanar links | Electricity | 46 | Expired |
| US6044397A | System and method for generation and interfacing of bitstreams representing MPEG-coded audiovisual objects | Electricity | 43 | Expired |
| US5524187A | Worlds-within-worlds nested display and interaction system and method | Physics | 42 | Expired |
| US6850092B2 | Low latency FIFO circuits for mixed asynchronous and synchronous systems | Physics | 37 | Expired |
| USD495477S1 | Outsole | General | 36 | Expired |
| US6911205B2 | Stabilized soluble glycoprotein trimers | Chemistry; Metallurgy | 33 | Expired |
| US5055448A | Linear derivatives of arginine vasopressin antagonists | Human Necessities | 32 | Expired |
| US5364760A | Replicative RNA reporter systems | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5493297A | Quantization noise reduction in oversampled analog-to-digital signal conversion | Electricity | 24 | Expired |
| US8135221B2 | Video concept classification using audio-visual atoms | Physics | 21 | Active |
| US4367225A | Novel antagonists of the antidiuretic and/or vasopressor action of arginine vasopressin | Emerging Cross-Sectional Technologies | 20 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.