Michael S. Upsher
14Patents
12h-index
—Co-inventors
61Inventor score
Filing activity: Nov 28, 1979 → Mar 27, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4527553A | Laryngoscope with improved light source | Human Necessities | 191 | Expired |
| US5603688A | Laryngoscope including an upwardly curved blade having a downwardly directed tip portion | Human Necessities | 73 | Expired |
| US4337761A | Laryngoscope | Human Necessities | 72 | Expired |
| US4437458A | Laryngoscope | Human Necessities | 64 | Expired |
| US4406280A | Laryngoscope including a disposable blade and its method of use | Human Necessities | 47 | Expired |
| US4592343A | Laryngoscope | Human Necessities | 37 | Expired |
| US5846186A | Endoscope system and coupling arrangement for use therewith | Human Necessities | 28 | Expired |
| US5651761A | Laryngoscope including an endotracheal tube separation mouth and its method of use | Human Necessities | 26 | Expired |
| US5651760A | Laryngoscope including means for locking the blade in an operative position | Human Necessities | 25 | Expired |
| US5178131A | Waterproofed laryngoscope handle | Human Necessities | 22 | Expired |
| US4930495A | Laryngoscope including a disposable blade and its method of use | Human Necessities | 19 | Expired |
| US4517964A | Dual bladed laryngoscope | Human Necessities | 16 | Expired |
| US4546762A | Laryngoscope including a laterally offset blade | Human Necessities | 10 | Expired |
| US5906576A | Light coupling assembly for use in a medical instrument, system and method | Human Necessities | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.