Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4570869 | Spool for ribbons, tapes, etc. | — | 1986-02-18 |
| 4567566 | Demand estimation apparatus | Shinji Araya | 1986-01-28 |
| 4523665 | Control apparatus for elevators | — | 1985-06-18 |
| 4524418 | Demand estimation apparatus | Shinji Araya | 1985-06-18 |
| 4505360 | Elevator operating system | — | 1985-03-19 |
| 4499975 | Control apparatus for elevators | — | 1985-02-19 |
| 4402387 | Elevator control system | Toshiyuki Kamohara | 1983-09-06 |
| 4244450 | Group supervisory system of elevator cars | Yasukazu Umeda, Toshiyuki Kamohara, Seiichi Goto, Yoshio Miyanishi | 1981-01-13 |