Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8105502 | Luminescent material | Yumi Fukuda, Hironori Asai, Katsutoshi Komeya, Naotoshi Matsuda, Toru Wakihara +2 more | 2012-01-31 |
| 7638934 | Fluorescent substance and light-emitting device | Yumi Fukuda, Masaaki Tamatani, Hironori Asai, Naotoshi Matsuda, Ryosuke Hiramatsu +3 more | 2009-12-29 |