Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4984660 | Apparatus for controlling an elevator | Shigemi Iwata | 1991-01-15 |
| 4832159 | Elevator control apparatus | Shigemi Iwata | 1989-05-23 |
SI
Satomi Ikejima
Mitsubisih Denki: 1 patents #26 of 381Top 7%
Overall (All Time): #2,313,670 of 4,157,543Top 60%
2
Patents All Time