Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10175506 | Type of presbyopic lens | — | 2019-01-08 |
| 8183781 | Fluorescent lamp with adjustable color temperature | Maw-Chuan Lin, Kung-Tung Pan, Mei-Huei Huang, Wei-Chung Cheng | 2012-05-22 |
| 6933669 | Planar fluorescent lamp having particular electrode structure | Ruey-Feng Jean, Chih-Fang Chen, Kuang-Lung Tsai, Lai-Cheng Chen, Shien-Tsung Chiang +2 more | 2005-08-23 |
| 6448705 | Structure of a vacuum display device | Lai-Cheng Chen, Chun-Hui Tsai, Ruey-Feng Jean | 2002-09-10 |
| 6348765 | Sychronous switching device for fluorescent lamp | Kuang-Lung Tsai, Chun-Hui Tsai, Chie-Ching Lin, Lai-Cheng Chen | 2002-02-19 |
| 5520279 | Compact disk carrying container | — | 1996-05-28 |
| 5474174 | Compact disk container | — | 1995-12-12 |
| 5425450 | Compact disk carrying case | — | 1995-06-20 |