Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6392384 | Storage battery charger and method for controlling the charging process | Sang-Moo Hwang Bo, Chang-Sik Park | 2002-05-21 |
| 6265845 | Portable battery charger having a separate battery pack | Sang-Moo Hwang Bo, Ju Ho Song, Jeong-Woo Seo, Hae-Wan Choi | 2001-07-24 |