Patent assignee · US · COMPANY

NTC Technology, Inc.

42Patents
0Active
42Granted
39Portfolio score

Filing activity: Dec 14, 1989 → Sep 8, 2003

Most-cited patents

PatentTitleAreaCited byStatus
US6325978A Oxygen monitoring and apparatus Emerging Cross-Sectional Technologies 451 Expired
US6519486B1 Method, apparatus and system for removing motion artifacts from measurements of bodily parameters Human Necessities 262 Expired
US6393311B1 Method, apparatus and system for removing motion artifacts from measurements of bodily parameters Human Necessities 199 Expired
US5999834A Disposable adhesive wrap for use with reusable pulse oximetry sensor and method of making Human Necessities 166 Expired
US6099481A Respiratory profile parameter determination method and apparatus Human Necessities 139 Expired
US5891026A Extended life disposable pulse oximetry sensor and method of making Human Necessities 128 Expired
US6471658B1 Respiratory profile parameter determination method and apparatus Human Necessities 118 Expired
US6149481A Extended life disposable pulse oximetry sensor and method of making Human Necessities 117 Expired
US6227196A Apparatus and method for non-invasively measuring cardiac output Emerging Cross-Sectional Technologies 94 Expired
US6217524A Method of continuously, non-invasively monitoring pulmonary capillary blood flow and cardiac output Human Necessities 91 Expired
US6575164B1 Reliability-enhanced apparatus operation for re-breathing and methods of effecting same Emerging Cross-Sectional Technologies 74 Expired
US6042550A Methods of non-invasively estimating intrapulmonary shunt fraction and measuring cardiac output Human Necessities 68 Expired
US5693944A Gas analyzer cuvettes Physics 67 Expired
US6763829B2 Reliability-enhanced apparatus operation for re-breathing and methods of effecting same Emerging Cross-Sectional Technologies 63 Expired
US6312389A Multiple function airway adapter Physics 61 Expired
US6238351A Method for compensating for non-metabolic changes in respiratory or blood gas profile parameters Physics 56 Expired
US6815211B1 Oxygen monitoring methods and apparatus (I) Physics 54 Expired
US6179784A Respiratory profile parameter determination method and apparatus Human Necessities 52 Expired
US5800361A Non-invasive estimation of arterial blood gases Human Necessities 51 Expired
US6251082A Non-invasive estimation of arterial blood gases Human Necessities 47 Expired
US6632402B2 Oxygen monitoring apparatus Emerging Cross-Sectional Technologies 46 Expired
US7335164B2 Multiple function airway adapter Physics 46 Expired
US5153436A Temperature controlled detectors for infrared-type gas analyzers Physics 42 Expired
US6408848B1 Method and apparatus for conveniently setting a predetermined volume for re-breathing Emerging Cross-Sectional Technologies 41 Expired
US4958075A Gas analyzer Physics 38 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.