Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6034797 | Prism-type objective lens for the pickup head of an optical disc drive capable of driving two types of optical discs | Jau-Jiu Ju, Eric G. Lean | 2000-03-07 |
| 5958087 | Preparation of cyanine dye for high density optical recording disk | Wen-Yih Liao, Chien-Liang Huang, Don-Yau Chiang, Andrew Teh Hu, Hong-Ji Lee +2 more | 1999-09-28 |
| 5923110 | Spindle motor for optical disc drives | Chi-Mou Zhao, Chin-Po Liao, Shyh-Jier Wang, Min WU, Tai-Fa Ying +5 more | 1999-07-13 |
| 5900348 | Cyanine dyes mixture as optical recording media | Andrew Teh Hu, Hong-Ji Lee, Jian Huang, Jen-Cheng Chang, Shi-Jae Ye +4 more | 1999-05-04 |
| 5382345 | Apparatus for simultaneously coating a film of magneto-optical recording medium on a plurality of disk substrates | Tsai-Chu Hsiao, Shiuh Chao | 1995-01-17 |
| 5319335 | Apparatus for magnetizing a magnetic roller | Wen-Ling Fang | 1994-06-07 |
| 5069428 | Method and apparatus of continuous dynamic joule heating to improve magnetic properties and to avoid annealing embrittlement of ferro-magnetic amorphous alloys | James Li | 1991-12-03 |
| 5032947 | Method of improving magnetic devices by applying AC or pulsed current | James Li | 1991-07-16 |