Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5248926 | Control apparatus for induction motor and electric rolling stock | Takeshi Kawazoe, Tadashi Takaoka | 1993-09-28 |
| 4528487 | Electric car control system | Yoshiji Jimbo | 1985-07-09 |