Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8017961 | Light emitting device and phosphor of alkaline earth sulfide therefor | Sang Mi Park, Tomizo Matsuoka | 2011-09-13 |
| 7998365 | Thiogallate phosphor and white light emitting device employing the same | Sang Mi Park, Tomizo Matsuoka | 2011-08-16 |
| 7842961 | Red phosphor and luminous element using the same | Sang Mi Park, Tomizo Matsuoka | 2010-11-30 |
| 7820074 | Phosphor, method for manufacturing same, and light emitting diode | Tomizo Matsuoka, Mi Youn Chang | 2010-10-26 |
| 7250555 | Methods for enhancing a plant stress response | Girdhar K. Pandey, Rajeev Gupta, Sheng Luan | 2007-07-31 |
| 6959987 | Pivotable sunshade clip for spectacles | Kwang-Nam Kim | 2005-11-01 |
| 6417635 | Apparatus and method for electrically disposing of hypodermic needle | Gil-wan Cho | 2002-07-09 |
| 5382872 | Electron gun for a color cathode ray tube | Seong Woo Lee, Jae-Yul Hwang, Jong Kwan Kim | 1995-01-17 |