Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5915676 | Lever-type frictional resistance force variable system | Hisanori Abiru, Hideaki Harada, Jun Hirai, Souhei Tateyama | 1999-06-29 |
| 4723676 | Sealed container and container closure | Nobunori Kobayashi | 1988-02-09 |