Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9410566 | Fixing device for panel | Takeyasu Kikuchi, Seiichi Fukawa | 2016-08-09 |
| 4587592 | Zinc oxide lightning protector | Kouichi Nakano, Seiichi Maruyama, Seizo Nakano | 1986-05-06 |