Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6611000 | Lighting device | Tetsushi Tamura, Hideo Nagai, Nobuyuki Matsui | 2003-08-26 |
| 6577073 | Led lamp | Yoko Shimomura, Tetsushi Tamura, Hideo Nagai, Nobuyuki Matsui | 2003-06-10 |
| 6570342 | Fluorescent lamp and power converter | Kazuaki Okubo, Yoshinori Tanabe, Takeshi Arakawa, Yoko Shimomura | 2003-05-27 |
| 6504305 | Fluorescent lamp | Kazuaki Ohkubo, Yoshinori Tanabe, Takeshi Arakawa | 2003-01-07 |