Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6057082 | Method of fabricating authentication labels and authenticating patterns incorporating diffraction structures | — | 2000-05-02 |
| 5914751 | Method and apparatus for perception-optimized transmission of video and audio signals | — | 1999-06-22 |
| 5902257 | Device for the prevention of RSI symptoms | — | 1999-05-11 |
| 5856070 | Method of fabricating authentication labels and authenticating patterns incorporating diffraction structures | — | 1999-01-05 |
| 5818424 | Rod shaped device and data acquisition apparatus for determining the position and orientation of an object in space | — | 1998-10-06 |
| 5767842 | Method and device for optical input of commands or data | — | 1998-06-16 |
| 5629070 | Authentication label and authenticating pattern incorporating diffracting structure and method of fabricating them | — | 1997-05-13 |
| 5327223 | Method and apparatus for generating high resolution optical images | — | 1994-07-05 |
| 4974219 | Polarizing beam splitter using dielectric multilayers | — | 1990-11-27 |
| 4866694 | Read/write head for optical disks | — | 1989-09-12 |
| 4794586 | Rotary access arm for optical disks | — | 1988-12-27 |
| 4641971 | White light interferometer | — | 1987-02-10 |
| 4516855 | Method and apparatus for determining the polarization state of a light wave field | — | 1985-05-14 |
| 4449782 | Modular, optical fiber communication system | — | 1984-05-22 |
| 4441784 | Paraboloidal coupler for light wave guides | — | 1984-04-10 |
| 4310247 | Method and apparatus for analyzing the state of polarization of radiation | Franz Schedewie | 1982-01-12 |