Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8387243 | Method for manufacturing multistage exhaust turbocharger | Byeongil An, Takashi Shiraishi, Toru Kikuchi | 2013-03-05 |
| 8028525 | Multistage exhaust turbocharger | Byeongil An, Takashi Shiraishi, Toru Kikuchi | 2011-10-04 |