Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9801425 | Helmet shield including ventilation unit | Joong Koo Ahn, Young Il Kim | 2017-10-31 |
| 8341771 | Opening/closing apparatus and helmet including the same | — | 2013-01-01 |
| 8166577 | Helmet having rotatable shield | — | 2012-05-01 |
| 7540033 | Device for opening-closing sun visor of helmet | Young Il Kim, Dal Busco Giacomo | 2009-06-02 |
| 7398561 | Device for opening-closing jaw guard of helmet | Young Il Kim, Dal Busco Giacomo | 2008-07-15 |