Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D353900 | Fluorescent lamp | Masashi Sangen, Takeshi Matsumura | 1994-12-27 |
| D353901 | Fluorescent lamp | Masashi Sangen, Takeshi Matsumura | 1994-12-27 |
| D353902 | Fluorescent lamp | Masashi Sangen, Takeshi Matsumura | 1994-12-27 |