Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6456948 | Method of generating data for use in monitoring and controlling charge and discharge status of secondary battery | — | 2002-09-24 |
| 6198913 | Automatic wake-up device for radio automatic recognition terminal and communication method using the terminal | Tae-Kyung Sung | 2001-03-06 |