Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7052151 | Photography light source device | Toshiyuki Terada, Keizo Sekido, Shigekazu Kato | 2006-05-30 |
| 6624580 | High pressure electric discharge lamp | Aiko Kanegae, Masaaki Muto, Shinya Omori | 2003-09-23 |