Issued Patents 2002
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6474447 | Elevator power control for adjusting ratio of power supplied from each of dual power sources | Hiroshi Araki, Ikuro Suga, Kazuyuki Kobayashi | 2002-11-05 |
| 6471013 | Apparatus for controlling charging and discharging of supplemental power supply of an elevator system | Hirokazu Banno, Hiroshi Araki | 2002-10-29 |
| 6460658 | Elevator control apparatus | Ikuro Suga, Hiroshi Araki, Kazuyuki Kobayashi | 2002-10-08 |
| 6457565 | Elevator apparatus with rechargeable power supply and discharge control | Shinji Tominaga, Ikuro Suga, Hiroshi Araki, Kazuyuki Kobayashi | 2002-10-01 |
| 6454053 | Elevator apparatus including rechargeable power supply and temperature sensitive charging control | Shinji Tominaga, Ikuro Suga, Hiroshi Araki, Kazuyuki Kobayashi | 2002-09-24 |
| 6439347 | Elevator control apparatus controlling charging of a power source with regenerative power | Ikuro Suga, Hiroshi Araki, Kazuyuki Kobayashi | 2002-08-27 |
| 6439348 | Elevator controller controlling charging of a battery power source with regenerative power | Hiroshi Araki, Ikuro Suga, Kazuyuki Kobayashi | 2002-08-27 |
| 6435311 | Elevator control calculating power consumed and power generated by a controlled elevator | Hiroshi Araki, Ikuro Suga, Kazuyuki Kobayashi | 2002-08-20 |
| 6435312 | Elevator speed controller responsive to power failures | Hiroshi Araki, Ikuro Suga, Kazuyuki Kobayashi | 2002-08-20 |
| 6435313 | Controller for dynamically allocating regenerative power to a rechargeable power supply of an elevator | Hiroshi Araki, Ikuro Suga, Kazuyuki Kobayashi | 2002-08-20 |
| 6431324 | Controller scheduling constant current charging of a rechargeable power source of an elevator system | Hiroshi Araki, Ikuro Suga, Kazuyuki Kobayashi | 2002-08-13 |
| 6431323 | Elevator power management system having power storage apparatus maintaining a particular charge in accordance with time of day | Hiroshi Araki, Ikuro Suga, Kazuyuki Kobayashi | 2002-08-13 |
| 6422351 | Elevator speed controller responsive to dual electrical power sources | Hiroshi Araki, Ikuro Suga, Kazuyuki Kobayashi | 2002-07-23 |
| 6415892 | Power control including a secondary battery for powering an elevator | Hiroshi Araki, Ikuro Suga, Kazuyuki Kobayashi | 2002-07-09 |