Derk Visser
13Patents
7h-index
11Co-inventors
59Inventor score
Filing activity: Mar 25, 1991 → May 24, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5408453A | Method of and apparatus for optically writing, reading and erasing a multi-plane record carrier, and record carrier suitable for said method and apparatus | Physics | 61 | Expired |
| US5677903A | Multi-layer information storage system with improved aberration correction | Physics | 40 | Expired |
| US8240301B2 | Dispensing device | Human Necessities | 29 | Active |
| US5511057A | Multiplane information storage system with an improved record carrier | Physics | 24 | Expired |
| US6124975A | Lenticular sheet | Physics | 11 | Expired |
| US5841753A | Multi-layer information storage system with improved aberration correction | Physics | 11 | Expired |
| US7616737B2 | Fluid filled devices | Physics | 8 | Active |
| US6538978B1 | Multi-layer optical record carrier not requiring spherical aberration correction | Physics | 6 | Expired |
| US6026069A | Multiplane information storage system and record carrier for use in such a system | Physics | 6 | Expired |
| US6510011B2 | Optical scanning device | Physics | 4 | Expired |
| US7292515B2 | Multi-layer information storage system with focus and radial positioning error detection | Physics | 3 | Expired |
| US5864530A | Multiplane information storage system and record carrier for use in such a system | Physics | 3 | Expired |
| US7929394B1 | 1033Multiplane information storage system and record carrier for use in such a system | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.