Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7771281 | Gear coupling | Hideo Terasawa, Junichi Shigeura | 2010-08-10 |
| 5213047 | Propulsion system for magnetically levitated vehicle | Shunsuke Fujiwara, Yoshihiro Jizo | 1993-05-25 |