Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8242738 | Systems and methods for determining battery parameters following active operation of the battery | — | 2012-08-14 |
| 7808244 | System and method for determining state of charge of a battery utilizing initial voltage and current measurement and a previous estimate of battery resistance | William Harold Jackson, Jr., Jinrong Qian | 2010-10-05 |
| 7443140 | Method and apparatus for operating a battery to avoid damage and maximize use of battery capacity by terminating battery discharge | Dan R. Poole, Jinrong Qian | 2008-10-28 |
| 7095237 | Method of grouping single cells of power sources to build optimal packs using parameters obtained by analysis of impedance spectrum | Jee-Hwan Jang, Hyun-Kyung Sung | 2006-08-22 |
| 6687631 | Laplace transform impedance spectrometer and its measurement method | Chul-Oh Yoon, Jong Hyun Kim | 2004-02-03 |
| 6502046 | Laplace transform impedance spectrometer and its measurement method | Chul-Oh Yoon, Jong Hyun Kim | 2002-12-31 |
| 6208147 | Method of and apparatus for measuring battery capacity by impedance spectrum analysis | Chul-Oh Yoon, Jong Hyun Kim | 2001-03-27 |
| 6160382 | Method and apparatus for determining Characteristic parameters of a charge storage device | Chul-Oh Yoon, Jong Hyun Kim | 2000-12-12 |
| 6118275 | Method and apparatus for measuring battery capacity using voltage response signal based on pulse current | Chul-Oh Yoon, Jong Hyun Kim | 2000-09-12 |