Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5737780 | Seat lifting device for a stool | Shigeo Saeki, Koichi Yamada, Jiro Koshijima, Kenichi Kobayashi | 1998-04-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5737780 | Seat lifting device for a stool | Shigeo Saeki, Koichi Yamada, Jiro Koshijima, Kenichi Kobayashi | 1998-04-14 |