Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5250872 | Discharge lamp unit having improved discharge tube mount | Yukio Wakimizu, Hirohiko Ohshio, Yasuo Hirozumi, Masami Handa | 1993-10-05 |
| 5220235 | Discharge lamp device | Yukio Wakimizu, Yasuyoshi Numajiri, Shinichi Irisawa, Masakazu Nagasawa | 1993-06-15 |