Cha; Jeonghyeon
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cha; Jeonghyeon.The latest application filed is for "base station power amplifier for memory effect minimization".
- Cha; Jeonghyeon - Kyungsangbuk-do KR
- Cha; Jeonghyeon - Pohang-si KR
- Cha; Jeonghyeon - Pohang KR
- Cha, Jeonghyeon - Pohang-city KR
| Patent | Date |
|---|---|
| Power amplifying apparatus using asymmetric power drive Grant 7,342,444 - Kim , et al. March 11, 2 | 2008-03-11 |
| Base station power amplifier for memory effect minimization App 20070120606 - Lee; Jong-Sung ; et al. | 2007-05-31 |
| Power amplifying apparatus using asymmetric power drive App 20060145757 - Kim; Bumman ; et al. | 2006-07-06 |
| Doherty amplifier Grant 6,853,245 - Kim , et al. February 8, 2 | 2005-02-08 |
| Doherty amplifier using adaptive bias control App 20040174212 - Kim, Bumman ; et al. | 2004-09-09 |
| Doherty amplifier App 20040041627 - Kim, Bumman ; et al. | 2004-03-04 |
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