Colin Electronics Co., Ltd.
66Patents
0Active
66Granted
37Portfolio score
Filing activity: Sep 9, 1986 → Jan 26, 1996
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5025791A | Pulse oximeter with physical motion sensor | Human Necessities | 478 | Expired |
| US5271411A | Method and apparatus for ECG signal analysis and cardiac arrhythmia detection | Human Necessities | 282 | Expired |
| US5131391A | Pulse oxymeter having probe with warming means | Human Necessities | 215 | Expired |
| US5143078A | Respiration rate monitor | Human Necessities | 210 | Expired |
| US5224478A | Reflecting-type oxymeter probe | Human Necessities | 202 | Expired |
| US5203329A | Noninvasive reflectance oximeter sensor providing controlled minimum optical detection depth | Human Necessities | 174 | Expired |
| US5216598A | System for correction of trends associated with pulse wave forms in oximeters | Human Necessities | 151 | Expired |
| US5054495A | Automatic blood-pressure measuring apparatus | Human Necessities | 119 | Expired |
| US4936851A | Analytic bone implant | Human Necessities | 113 | Expired |
| US5094239A | Composite signal implementation for acquiring oximetry signals | Human Necessities | 104 | Expired |
| US5238000A | Pulse wave detecting apparatus | Human Necessities | 93 | Expired |
| US5243992A | Pulse rate sensor system | Human Necessities | 79 | Expired |
| US4973940A | Optimum impedance system for coupling transceiver to power line carrier network | Electricity | 78 | Expired |
| US5163328A | Miniature pressure sensor and pressure sensor arrays | Physics | 75 | Expired |
| US4951679A | Pulse wave detecting apparatus having placement-condition detecting means | Human Necessities | 71 | Expired |
| US4779626A | Method and apparatus for compensating for transducer position in blood pressure monitoring system | Human Necessities | 70 | Expired |
| US4924871A | Motion artifact detection for continuous blood pressure monitor transducer | Human Necessities | 69 | Expired |
| US4987900A | Apparatus for positioning transducer for blood pressure monitor | Human Necessities | 58 | Expired |
| US5289823A | Non-invasive aortic blood flow sensor and method for non-invasively measuring aortic blood flow | Human Necessities | 53 | Expired |
| US5269312A | Pressure pulse wave transmitting sheet used with pressure pulse wave sensor | Human Necessities | 51 | Expired |
| US5179956A | Contact pressure sensor | Emerging Cross-Sectional Technologies | 49 | Expired |
| US5170796A | Pulse wave detecting apparatus | Human Necessities | 48 | Expired |
| US4901733A | Pulse wave detecting apparatus | Human Necessities | 47 | Expired |
| US5131400A | Pulse wave detecting apparatus | Human Necessities | 47 | Expired |
| US5033471A | Method and apparatus measuring blood pressure | Human Necessities | 46 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.