Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701078 | Method of measuring residual capacity of a Ni/MH cell | Hwan-Cheol Lee, Jon-Ha Lee, Han Ho Lee, Dong-Myung Kim | 1997-12-23 |
| 5645953 | Secondary battery and method for controlling the self-discharge of a nickel/metal hydride secondary battery | Young Woo Kim, Sung Keun Lee, Jon-Ha Lee, Han Ho Lee | 1997-07-08 |
| 5599640 | Alkaline fuel cell | Han Ho Lee, Jon-Ha Lee, Dong-Myung Kim | 1997-02-04 |
| 5591394 | Zirconium-based hydrogen storage alloy useable for negative electrodes for secondary battery | Soo-Ryeol Kim | 1997-01-07 |