Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4686422 | High-pressure metal vapor discharge lamp with characteristic fuse action | Akira Ito, Kouzou Kawashima | 1987-08-11 |
| 4625149 | Metal vapor discharge lamp including an inner burner having tapered ends | Kouzou Kawashima | 1986-11-25 |