John McCann
11Patents
7h-index
9Co-inventors
59Inventor score
Filing activity: Sep 9, 1974 → Jun 2, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4384336A | Method and apparatus for lightness imaging | Physics | 69 | Expired |
| US4839721A | Method of and apparatus for transforming color image data on the basis of an isotropic and uniform colorimetric space | Electricity | 52 | Expired |
| US5074708A | Underground water control system for tennis courts and the like | Human Necessities | 28 | Expired |
| US6516089B1 | In-gamut image reproduction using spatial comparisons | Electricity | 23 | Expired |
| US4021825A | Adapter for operatively coupling an automated camera to an optical instrument | Physics | 16 | Expired |
| US4143258A | Welding microstructure control | Performing Operations; Transporting | 14 | Expired |
| US6890224B2 | Electric jet ski | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4091253A | Applying a hard facing to an iron or steel former | Chemistry; Metallurgy | 6 | Expired |
| US4520403A | Processor for enhancing video signals for photographic reproduction | Electricity | 5 | Expired |
| US4492987A | Processor for enhancing video signals for photographic reproduction | Electricity | 4 | Expired |
| US3975610A | Welding | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.