Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841278 | Self-illuminant delineator and delineator system by use thereof | Kouji Nogami, Toshihide Koyano | 1989-06-20 |
| 4582953 | Solar cell module | Eiichi Nagase | 1986-04-15 |
| 4486820 | Lighting equipment with a solar cell | Yasushi Baba, Kohzo Kitagawa | 1984-12-04 |