Issued Patents 2003
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623398 | Multi-speed power transmission with three planetary gear sets | Chi-Kuan Kao, Patrick B. Usoro | 2003-09-23 |
| 6620075 | Multi-speed transmission mechanisms with three planetary gearsets and input clutches | Chi-Kuan Kao, Patrick B. Usoro, Chunhao J. Lee, Norman K. Bucknor | 2003-09-16 |
| 6595892 | Multi-speed transmission family with three planetary gear sets and five rotating torque transmitting mechanisms | Chi-Kuan Kao, Patrick B. Usoro | 2003-07-22 |
| 6589129 | Powertrain having a multi-speed transmission with three planetary gear sets | Patrick B. Usoro, Chi-Kuan Kao | 2003-07-08 |
| 6530858 | Family of multi-speed planetary power transmission mechanisms having three planetary gearsets | Patrick B. Usoro, Chi-Kuan Kao | 2003-03-11 |
| 6514170 | Family of multi-speed transmission mechanisms having three planetary gear sets and five torque-transmitting mechanisms | Chi-Kuan Kao, Patrick B. Usoro | 2003-02-04 |