Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4775823 | Method for controlling opening/closing operation of automatic door in its accidental condition | Yukio Yoshida, Akiyoshi Takimoto, Kenzo Ono, Toshio Oura | 1988-10-04 |
| 4742245 | Method for controlling automatic door in turning-on time of its power supply | Yukio Yoshida, Akiyoshi Takimoto, Kenzo Ono, Toshio Oura | 1988-05-03 |
| 4512064 | Method of connecting pull tab with slide fastener slider | — | 1985-04-23 |