Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6611297 | Illumination control method and illumination device | Yukio Akashi, Tadashi Yano, Kenjiro Hashimoto | 2003-08-26 |
| 6157126 | Warm white fluorescent lamp | Tadashi Yano, Kenjiro Hashimoto | 2000-12-05 |
| 5770917 | General-purpose discharge lamp and general-purpose lighting apparatus | Tadashi Yano, Kenjiro Hashimoto | 1998-06-23 |
| 5684359 | Discharge lamp and illumination instrument for general illumination | Tadashi Yano, Kenjiro Hashimoto | 1997-11-04 |