David K. Towner
24Patents
8h-index
21Co-inventors
75Inventor score
Filing activity: Jan 16, 1985 → Apr 13, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6536907B1 | Aberration compensation in image projection displays | Electricity | 52 | Expired |
| US5432763A | Subminiature rotary actuator optical head | Physics | 45 | Expired |
| US4688201A | Focusing and tracking apparatus for an optical data storage device | Physics | 27 | Expired |
| US6046968A | Re-writable optical disk having reference clock information permanently formed on the disk | Physics | 24 | Expired |
| US5929892A | Beam deflecting for enhanced laser printer scanning | Electricity | 18 | Expired |
| US9348137B2 | Optical scanning apparatus, system and method | Physics | 14 | Active |
| US5070493A | Wedge prism assembly for optical information storage | Physics | 12 | Expired |
| US6046969A | Multiple clock tracks for erasable and rewriteable optical disks | Physics | 9 | Expired |
| US6765739B2 | Method and apparatus for discouraging duplication of digital data | Physics | 6 | Expired |
| US7271822B2 | Seamless stitching of multiple image fields in a wide-format laser printer | Electricity | 4 | Expired |
| US6559878B2 | System and method for fusing toner | Physics | 2 | Expired |
| USRE41881E1 | Re-writable optical disk having reference clock information permanently formed on the disk | General | 2 | Expired |
| US7701836B2 | Re-writable optical disk having reference clock information permanently formed on the disk | Physics | 2 | Active |
| US7978214B2 | Apparatus and method of reducing banding artifact visibility in a scanning apparatus | Electricity | 2 | Active |
| US7751124B2 | Anamorphic prisms | Physics | 1 | Active |
| US7460146B2 | Dynamic correction of field curvature from a scanner | Physics | 1 | Expired |
| US8928720B2 | Apparatus and method of scanning light using an array of light sources | Electricity | 1 | Active |
| US10078216B2 | Optical scanning apparatus, system and method | Physics | 1 | Active |
| USRE45292E1 | Re-writable optical disk having reference clock information permanently formed on the disk | General | 0 | Active |
| US7978419B2 | Scan lens for imaging device | Physics | 0 | Active |
| US8885239B2 | Method and apparatus for controlling multiple beam spacing | Electricity | 0 | Active |
| USRE43788E1 | Re-writable optical disk having reference clock information permanently formed on the disk | General | 0 | Active |
| US8085289B1 | Reducing side lobes within optical irradiance distributions used to selectively expose photosensitive surface | Physics | 0 | Active |
| US10108104B2 | Method and apparatus for controlling multiple beam spacing | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.