Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9609714 | Power supply device and lighting device | Noriya Hayakawa, Hiroshi Ogasawara, Masako Matsunaga | 2017-03-28 |
| 6324078 | Power source device | Masahiro Naruo, Takashi Kanda, Masahito Ohnishi, Kazuo Yoshida | 2001-11-27 |
| 6246181 | Discharge lamp lighting device | Masahiro Naruo, Masahito Ohnishi, Takashi Kanda | 2001-06-12 |
| 5920155 | Electronic ballast for discharge lamps | Takashi Kanda, Kazuo Yoshida, Masahiro Naruo, Masahito Ohnishi | 1999-07-06 |