Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7847620 | Charge pumping circuit with decreased current consumption | Jong-Chern Lee | 2010-12-07 |
| 7843748 | Test apparatus of semiconductor integrated circuit and method using the same | Kwang Jun Cho | 2010-11-30 |
| 7733162 | Plumping voltage generating circuit | Jong-Chern Lee | 2010-06-08 |
| 7583060 | Protective circuit for a secondary battery pack and method of operating the same | — | 2009-09-01 |
| 7492121 | Smart battery and method for recognizing battery type using the same | Tetsuya Okada | 2009-02-17 |
| 7443076 | Diffractive thin-film piezoelectric light modulator and method of fabricating the same | Min-Suk Oh, Yun-Jin Ko | 2008-10-28 |
| 7288337 | Battery pack for portable electronic equipment | — | 2007-10-30 |
| 7271958 | Diffractive light modulator | Sang Kee YOON | 2007-09-18 |
| 7242842 | Method of manufacturing multi-channel optical attenuator | Sung Jun Lee, Ro Woon Lee | 2007-07-10 |
| 7215869 | Cantilever-type PLC optical attenuator and manufacturing method thereof | Sung Jun Lee, Yoon Shik Hong, Ro Woon Lee | 2007-05-08 |
| 7074635 | MEMS structure and method for fabricating the same | Sung Jun Lee, Ro Woon Lee | 2006-07-11 |
| 6824918 | Battery pack having internal batteries having equalized current characteristics | — | 2004-11-30 |
| 6486016 | Method for forming self aligned contacts | Il Wook Kim, Dong Kuk LEE, Phil-Goo Kong | 2002-11-26 |
| 5920422 | Method for manufacturing an actuated mirror array having an optimum optical efficiency | — | 1999-07-06 |