Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833887 | Liquid crystal shutter and method of driving the same | Yasushi Kaneko | 2004-12-21 |
| 6720986 | Optical printer device that forms color images | Sadao Masubuchi, Hideyuki Kawashima, Masafumi Yokoyama, Akira Shiota | 2004-04-13 |