Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12326642 | Wavelength filter and laser apparatus | Hirotomo Izumi, Kazumasa Takabayashi, Suguru Akiyama | 2025-06-10 |
| 8471349 | Photoreceiving device | Yasuhiro Yamauchi | 2013-06-25 |