Harold T. Thomas
10Patents
8h-index
14Co-inventors
61Inventor score
Filing activity: Mar 13, 1978 → Oct 27, 1986
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4270130A | Thermal deformation record device with bleachable dye | Emerging Cross-Sectional Technologies | 93 | Expired |
| US4380769A | Element for recording by thermal deformation | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4415621A | Use of .alpha.,.alpha.-bis(dialkylaminobenzylidene) ketone dyes in optical recording elements | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4340655A | Thermal and mechanical barrier layers for optical recording elements | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4201581A | Method of providing close contact for contact printing | Physics | 15 | Expired |
| US4584258A | Recording and information record elements comprising telluropyrlium dyes | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4222070A | Recording video information on a flexible master disc | Physics | 12 | Expired |
| US4980262A | Producing a replicate video disc by a method of photographic contact printing | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4446223A | Recording and information record elements comprising oxoindolizine and oxoindolizinium dyes | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4783393A | Dye mixtures and optical recording elements containing same | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.