Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8547037 | Liquid-cooled LED lighting device | Yasushi Yatsuda, Mitsuo Yamada, Teruo Koike | 2013-10-01 |
| 8419249 | Liquid-cooled LED lighting device | Yasushi Yatsuda, Teruo Koike | 2013-04-16 |