Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8149181 | Dielectric resonator for negative refractivity medium | Ta-Jen Yen, Cheng-Kuang Chen | 2012-04-03 |
| 5512677 | 3-substituted methyl-2,3-dihydroimidazo 1,2-c!quinazoline derivatives, the preparation and use thereof | Ji-Wang Chern, Guan-Yu Lu, Mao-Hsiung Yen, Pao-Luh Tao | 1996-04-30 |
| 5340814 | 3-substituted methyl-2,3-dihydroimidazo[1,2-C] quinazoline derivatives, the preparation and use thereof | Ji-Wang Chern, Guan-Yu Lu, Mao-Hsiung Yen, Pao-Luh Tao | 1994-08-23 |