Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8044591 | Fluorescent lamp and lighting unit | Yoshifumi Takao | 2011-10-25 |
| 7775847 | Method for manufacturing hot cathode fluorescent lamp | Masayuki Kanechika, Yoshifumi Takao, Kazuhiro Miyamoto, Toshiyuki Nagahara, Junji Matsuda | 2010-08-17 |
| 6724145 | Discharge lamp | Masaaki Muto, Shigeru Shibayama, Hiroharu Shimada, Isamu Sato, Shinya Omori +3 more | 2004-04-20 |