David Jack
9Patents
8h-index
6Co-inventors
62Inventor score
Filing activity: Sep 28, 1988 → Nov 26, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4987287A | Method of making a stencil for etching glass | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5151572A | Method of making a stencil for etching glass | Performing Operations; Transporting | 19 | Expired |
| US5877204A | Compounds containing a michael-acceptor, especially maleimide or maleic acid derivatives, directly or indirectly linked to a chromophore and their use in long lasting sunscreen compositions | Human Necessities | 16 | Expired |
| US4976456A | Marking system | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6794391B2 | Derivatives of pyrimido[6.1-a]isoquinolin-4-one | Human Necessities | 14 | Expired |
| US7378424B2 | Derivatives of pyrimido[6, 1-A]isoquinolin-4-one | Human Necessities | 14 | Expired |
| US7105663B2 | Derivatives of pyrimido[6,1-a]isoquinolin-4-one | Human Necessities | 13 | Expired |
| US8242127B2 | Derivatives of pyrimido[6,1-A]isoquinolin-4-one | Human Necessities | 13 | Active |
| US8544336B2 | Sealed conductive grid capacitive pressure sensor | Physics | 7 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.