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Patent applications and USPTO patent grants for Liu; Ruey-Hsing.The latest application filed is for "device having a laterally graded well structure and a method for its manufacture".
Patent | Date |
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Device having a laterally graded well structure and a method for its manufacture App 20060108641 - Jong; Yu-Chang ;   et al. | 2006-05-25 |
Twin current bipolar device with hi-lo base profile Grant 6,747,336 - Tsai , et al. June 8, 2 | 2004-06-08 |
Twin current bipolar device with hi-lo base profile App 20010010963 - Tsai, Jun-Lin ;   et al. | 2001-08-02 |
Twin current bipolar device with hi-lo base profile Grant 6,211,028 - Tsai , et al. April 3, 2 | 2001-04-03 |
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