Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5298927 | Visual axis detecor having a high sensitivity to a light from an eye | Kazuki Konishi | 1994-03-29 |
| 5280312 | Visual axis detection apparatus | Akira Yamada, Kazuki Konishi | 1994-01-18 |