Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7012376 | Fluorescent lamp lighting device | Yoshiyuki Yamashita, Kingo Ohmura, Masahiko Kawase, Shuji Tsubaki | 2006-03-14 |
| 4516054 | Lamp protection arrangement | Takashi Shikama, Tomoyuki Yamamoto | 1985-05-07 |
| 4422120 | Combination starter-protector device | Takashi Kobayashi, Takashi Shikama, Tomoyuki Yamamoto | 1983-12-20 |