Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5905707 | Optical grating for a bifocal access head of optical disk drive devices | Tsung-Ming Yang, Shin-Ter Tsai, Pei-Yih Liu | 1999-05-18 |
| 5777803 | Objective lens for optical pick-up head of optical disk drive | Tsung-Ming Yang, Tsung-Kai Chang | 1998-07-07 |
| 5748602 | Single-lens optical pick-up head for accessing a DVD disc and a CD disc by switching between two optical states | Zu-Wen Chao, Tsung-Ming Yang, Shin-Ter Tsai, Pei-Yih Liu | 1998-05-05 |
| 5715102 | Beam shaper device for optical read/write heads | Zu-Wen Chao, Tsung-Ming Yang, Shin-Ter Tsai | 1998-02-03 |
| 5712843 | Miniature optical access head apparatus | Zu-Wen Chao | 1998-01-27 |