Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11602057 | Display device and color correcting method thereof | Wu-Shen Lin, Hung-Hsun Liu, Chin-Yi Yu | 2023-03-07 |
| 7798457 | Pivot support device and a display apparatus supported thereon | Ting-Hui Chih | 2010-09-21 |
| 7484269 | Portable device capable of standing and hanging by handle assembly thereof | Ting-Hui Chih | 2009-02-03 |
| 7365968 | Electronic device and image configuration thereof | Liang Chen, Chun-Chao Chiu | 2008-04-29 |
| 7273202 | Combined supporting base | Chih-Wei Tien | 2007-09-25 |
| 4970251 | Viscous polymer solution | — | 1990-11-13 |
| 4847018 | Process for producing petroleum sulfonates | Jeffery W. Koepke, June M. Bostich | 1989-07-11 |
| 4836282 | Enhanced oil recovery method employing an aqueous polymer | — | 1989-06-06 |
| 4808648 | Enhanced oil recovery composition | — | 1989-02-28 |
| 4795772 | Enhanced oil recovery composition | — | 1989-01-03 |
| 4753973 | Enhanced oil recovery composition | — | 1988-06-28 |
| 4530400 | Process for enhanced oil recovery employing synthetic sulfonates and petroleum sulfonate blends | Jeffery W. Koepke | 1985-07-23 |
| 4446036 | Process for enhanced oil recovery employing petroleum sulfonate blends | June M. Bostich, Jeffery W. Koepke | 1984-05-01 |