Stanford University
146Patents
27Active
146Granted
47Portfolio score
Filing activity: Sep 6, 1977 → Sep 20, 2017 · 21 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4200770A | Cryptographic apparatus and method | Electricity | 1,048 | Expired |
| US7048716B1 | MR-compatible devices | Human Necessities | 780 | Expired |
| US6229161A | Semiconductor capacitively-coupled NDR device and its applications in high-density high-speed memories and in power switches | Electricity | 534 | Expired |
| US5732113A | Timing and frequency synchronization of OFDM signals | Electricity | 425 | Expired |
| US5461425A | CMOS image sensor with pixel level A/D conversion | Electricity | 381 | Expired |
| US5793900A | Generating categorical depth maps using passive defocus sensing | Physics | 376 | Expired |
| US5802856A | Multizone bake/chill thermal cycling module | Electricity | 346 | Expired |
| US5640698A | Radio frequency signal reception using frequency shifting by discrete-time sub-sampling down-conversion | Electricity | 274 | Expired |
| US6052647A | Method and system for automatic control of vehicles based on carrier phase differential GPS | Physics | 228 | Expired |
| US5801657A | Serial analog-to-digital converter using successive comparisons | Electricity | 219 | Expired |
| US5710883A | Hypertext document transport mechanism for firewall-compatible distributed world-wide web publishing | Electricity | 202 | Expired |
| US5634199A | Method of subspace beamforming using adaptive transmitting antennas with feedback | Electricity | 175 | Expired |
| US4943032A | Integrated, microminiature electric to fluidic valve and pressure/flow regulator | Emerging Cross-Sectional Technologies | 161 | Expired |
| US4503533A | Local area communication network utilizing a round robin access scheme with improved channel utilization | Electricity | 158 | Expired |
| US4763671A | Method of treating tumors using selective application of heat and radiation | Human Necessities | 153 | Expired |
| US5354985A | Near field scanning optical and force microscope including cantilever and optical waveguide | Emerging Cross-Sectional Technologies | 140 | Expired |
| US4824073A | Integrated, microminiature electric to fluidic valve | Mechanical Engineering; Lighting; Heating | 130 | Expired |
| US4987539A | Apparatus and method for multidimensional characterization of objects in real time | Physics | 123 | Expired |
| US5556582A | Injection molding gate flow control | Performing Operations; Transporting | 122 | Expired |
| US4758092A | Method and means for optical detection of charge density modulation in a semiconductor | Physics | 112 | Expired |
| US5621646A | Wide area differential GPS reference system and method | Physics | 106 | Expired |
| US4234352A | Thermophotovoltaic converter and cell for use therein | Emerging Cross-Sectional Technologies | 104 | Expired |
| US4776334A | Catheter for treatment of tumors | Human Necessities | 100 | Expired |
| US5683438A | Apparatus and method for core body warming of mammals experiencing hypothermia | Human Necessities | 95 | Expired |
| US4491760A | Force sensing polymer piezoelectric transducer array | Emerging Cross-Sectional Technologies | 95 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.