Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6812643 | Fluorescent luminous tube | Hiroaki Kawasaki, Yukio Ogawa, Yoshihisa Yonezawa | 2004-11-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6812643 | Fluorescent luminous tube | Hiroaki Kawasaki, Yukio Ogawa, Yoshihisa Yonezawa | 2004-11-02 |