Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5885186 | Continuously variable transmission | Wilhelmus Johannes Maria Van Wijk, Chi Chung Choi, Bastiaan A. d'Herripon, Emery F. M. Hendriks | 1999-03-23 |
| 5746678 | Continuously variable transmission | Chi Chung Choi | 1998-05-05 |
| 5700225 | Method and apparatus for controlling the transmission ratio of a continuously variable transmission | Chi Chung Choi | 1997-12-23 |
| 5545105 | Method for influencing the driving behaviour of a vehicle with a continuously variable transmission | Bastiaan A. d'Herripon, Chi Chung Choi | 1996-08-13 |
| 5431602 | Electronically controlled continuously variable transmission | Emery F. M. Hendriks, Bastiaan A. d'Herripon | 1995-07-11 |
| 5366416 | Continuously variable transmission with control system | Chi Chung Choi, Bastiaan A. d`Herripon | 1994-11-22 |