Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471013 | Apparatus for controlling charging and discharging of supplemental power supply of an elevator system | Shinobu Tajima, Hiroshi Araki | 2002-10-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471013 | Apparatus for controlling charging and discharging of supplemental power supply of an elevator system | Shinobu Tajima, Hiroshi Araki | 2002-10-29 |