Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4959598 | Method and apparatus for controlling torque of a door opening and closing motor for an automatic door | Yukio Yoshida, Akiyoshi Takimoto | 1990-09-25 |
| 4918443 | Method for determining a rotational angle of a rotary body | Yukio Yoshida, Akiyoshi Takimoto | 1990-04-17 |