James Coombs
14Patents
7h-index
22Co-inventors
66Inventor score
Filing activity: Mar 3, 1992 → May 17, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5708638A | Device for optically scanning a recording medium by focusing the best focus or the paraxial focus to the information layer | Physics | 45 | Expired |
| US5604003A | Optical information carrier | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5802032A | Method and device for recording a mark having a substantially constant number of pulses per unit length independent of writing speed on an optical information carrier | Physics | 15 | Expired |
| US5876822A | Reversible optical information medium | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5255263A | Information reading system and record carrier and reading device for use in such a system | Physics | 12 | Expired |
| US5935672A | Reversible optical information medium | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6256285A | Optical scanning device | Physics | 10 | Expired |
| US5479392A | Phase change record carries having crystalline nuclei and/or which produce crystallization structures when information is written thereon enabling that information to be more easily erased | Physics | 5 | Expired |
| US7390464B2 | Fluidic circuits for sample preparation including bio-discs and methods relating thereto | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7251210B2 | Method for triggering through disc grooves and related optical analysis discs and system | Physics | 3 | Expired |
| US5383172A | Information storage system and device for improved erasing of information written on a record carrier | Physics | 2 | Expired |
| US5419937A | Optical record carrier | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7428200B2 | Method for triggering through disc grooves and related optical analysis discs and system | Physics | 1 | Active |
| US9457431B2 | Cutting head for a device for cutting hair | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.