Michael E. Fein
107Patents
39h-index
56Co-inventors
93Inventor score
Filing activity: Dec 6, 1971 → Oct 26, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6553241B2 | Oximeter sensor with digital memory encoding sensor expiration data | Human Necessities | 602 | Expired |
| US6356774B1 | Oximeter sensor with encoded temperature characteristic | Human Necessities | 397 | Expired |
| US5995856A | Non-contact optical monitoring of physiological parameters | Human Necessities | 395 | Expired |
| US4844617A | Confocal measuring microscope with automatic focusing | Physics | 333 | Expired |
| US6708049B1 | Sensor with signature of data relating to sensor | Electricity | 302 | Expired |
| US6801797B2 | Pulse oximeter sensor with piece-wise function | Human Necessities | 279 | Expired |
| US5563702A | Automated photomask inspection apparatus and method | Physics | 274 | Expired |
| US6044283A | Medical sensor with modulated encoding scheme | Human Necessities | 261 | Expired |
| US5797841A | Shunt barrier in pulse oximeter sensor | Human Necessities | 259 | Expired |
| US5807247A | Method and apparatus for facilitating compatibility between pulse oximeters and sensor probes | Human Necessities | 250 | Expired |
| US5830136A | Gel pad optical sensor | Human Necessities | 243 | Expired |
| US6591123B2 | Oximeter sensor with digital memory recording sensor data | Human Necessities | 239 | Expired |
| US5645059A | Medical sensor with modulated encoding scheme | Human Necessities | 231 | Expired |
| US6600940B1 | Oximeter sensor with digital memory | Human Necessities | 224 | Expired |
| US5779630A | Medical sensor with modulated encoding scheme | Human Necessities | 219 | Expired |
| US5572598A | Automated photomask inspection apparatus | Physics | 210 | Expired |
| US6628975B1 | Oximeter sensor with digital memory storing data | Human Necessities | 210 | Expired |
| US6571113B1 | Oximeter sensor adapter with coding element | Human Necessities | 195 | Expired |
| US4877326A | Method and apparatus for optical inspection of substrates | Physics | 185 | Expired |
| US6351658B1 | Multiple-code oximeter calibration element | Human Necessities | 168 | Expired |
| US6606510B2 | Oximeter sensor with digital memory encoding patient data | Emerging Cross-Sectional Technologies | 160 | Expired |
| US6490466B1 | Interconnect circuit between non-compatible oximeter and sensor | Human Necessities | 159 | Expired |
| US5737072A | Automated photomask inspection apparatus and method | Physics | 149 | Expired |
| US6430423B2 | Shunt barrier in pulse oximeter sensor | Human Necessities | 147 | Expired |
| US5264912A | Speckle reduction track filter apparatus for optical inspection of patterned substrates | Physics | 144 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.