Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9850826 | Asymmetry CDA engine | In Sang Ryu, Kyoung Pyo Ha, Back Sik Kim, Kiyoung Kwon | 2017-12-26 |
| 9803519 | Continuous variable valve duration apparatus and control method using the same | Kiyoung Kwon, Kyoung Pyo Ha, In Sang Ryu, Back Sik Kim | 2017-10-31 |
| 9617925 | Control method using continuous variable valve duration apparatus | Kiyoung Kwon, Kyoung Pyo Ha, In Sang Ryu, Back Sik Kim | 2017-04-11 |