Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4368518 | Cage position detecting apparatus | Ryuichi Kajiyama | 1983-01-11 |
| 4351416 | Elevator control device | Ryuichi Kajiyama | 1982-09-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4368518 | Cage position detecting apparatus | Ryuichi Kajiyama | 1983-01-11 |
| 4351416 | Elevator control device | Ryuichi Kajiyama | 1982-09-28 |