Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4972121 | Metal vapor discharge lamp | Takenobu Iida, Minoru Yasukawa | 1990-11-20 |
| 4897576 | Metal vapor discharge lamp having starter therein | Takenobu Iida, Minoru Yasukawa | 1990-01-30 |