Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4456854 | Compact fluorescent lamp | Kimio Osada, Taketo Kamei | 1984-06-26 |
| 4417176 | Compact fluorescent lamp | Taketo Kamei, Kimio Osada, Mitsutoshi Kimura | 1983-11-22 |
| 4389595 | Fluorescent lamp | Taketo Kamei | 1983-06-21 |