Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7868530 | Filament electrode and fluorescent lamp | Koji Kikuchihara, Masayuki Kanechika | 2011-01-11 |
| 7775847 | Method for manufacturing hot cathode fluorescent lamp | Naoyuki Matsubara, Masayuki Kanechika, Yoshifumi Takao, Kazuhiro Miyamoto, Junji Matsuda | 2010-08-17 |
| 7642721 | High pressure discharge lamp | Shinya Omori | 2010-01-05 |
| 7595592 | Discharge lamp and method of making same | Masaaki Muto, Masatoshi Hirohashi | 2009-09-29 |
| 6724145 | Discharge lamp | Masaaki Muto, Shigeru Shibayama, Hiroharu Shimada, Isamu Sato, Shinya Omori +3 more | 2004-04-20 |
| 6121729 | Metal halide lamp | Yoshifumi Takao | 2000-09-19 |
| 5936350 | Metal halide headlamp | Mitsunari Yoshida, Yoshifumi Takao | 1999-08-10 |