Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659409 | Light source apparatus using a cone-like material and an applied apparatus thereof | Yoshiharu Ooi, Tsuneo Wakabayashi, Yoshiyuki Sonda | 1997-08-19 |
| 5648860 | Projection type color liquid crystal optical apparatus | Yoshiharu Ooi, Tsuneo Wakabayashi, Yoshiyuki Sonda, Masaya Kunigita, Yoshinori Hirai | 1997-07-15 |