Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643833 | Method of localized placement manipulation without extra latency | Kimihiko Nishioka, Koji Ishizaki | 2003-11-04 |
| 6626532 | Vari-focal spectacles | Kimihiko Nishioka, Koji Ishizaki | 2003-09-30 |