Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6642656 | Corrosion-resistant alumina member and arc tube for high-intensity discharge lamp | Michio Asai | 2003-11-04 |
| 5594292 | Piezoelectric device | Yukihisa Takeuchi, Koji Kimura | 1997-01-14 |