Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7383585 | Optical discs with controllable access times and method of the same | Guo-Zua Wu, Yi-Jung Wang, Nai-Heng Tseng, Shu-Ching Chen | 2008-06-03 |
| 7376342 | Method of determining disc type for disc burners | Guo-Zua Wu, Chien-Hsin Huang, Jian Li, Der-Ray Huang | 2008-05-20 |
| 7197163 | Watermark embedding method based on DCT subband image characters | Guo-Zua Wu, Yi-Jung Wang, Chwan-Chang Chen | 2007-03-27 |
| 7190654 | Disc burner and its control method | Guo-Zua Wu, Chien-Hsin Huang, Chwan-Chan Chen | 2007-03-13 |
| 6483799 | Rewritable DVD-RAM disc | Guo-Zua Wu, Der-Ray Huang, Wei-Cheng Chen | 2002-11-19 |
| 6415400 | Method of managing defect areas on an erasable optical disc in a dynamic manner | Guo-Zua Wu, Wei-Cheng Chen | 2002-07-02 |
| 6370104 | DVD reading-writing pick-up head employing multiple wavelengths | Yuan-Chin Lee | 2002-04-09 |
| 6343059 | Reading-writing pickup head | Yuan-Chin Lee | 2002-01-29 |
| 6341116 | Compact optical pick-up head employing non-diffractive element | Yuan-Chin Lee | 2002-01-22 |
| 5748574 | Double focal-point magneto-optic pick-up head | — | 1998-05-05 |
| 5748602 | Single-lens optical pick-up head for accessing a DVD disc and a CD disc by switching between two optical states | Tsung-Ming Yang, Shin-Ter Tsai, Jau-Jiu Ju, Pei-Yih Liu | 1998-05-05 |
| 5745465 | Digital video disc pick-up head system | Shin-Ter Tsai | 1998-04-28 |
| 5715102 | Beam shaper device for optical read/write heads | Tsung-Ming Yang, Jau-Jiu Ju, Shin-Ter Tsai | 1998-02-03 |
| 5712843 | Miniature optical access head apparatus | Jau-Jiu Ju | 1998-01-27 |
| 5442415 | Armless transparency projector | — | 1995-08-15 |
| 5438386 | Coaxial master-slave lens photographing apparatus | — | 1995-08-01 |
| 5278811 | Magneto-optic recording and playback system | — | 1994-01-11 |
| 5146515 | Structure of lens combination for optical fiber fine displacement detecting system | Jinn T. Wu | 1992-09-08 |