Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10311298 | Biometric camera | Ilia Ovsiannikov, Yibing Michelle Wang, Yong-hwa Park, Heesun Yoon, Changyoung Park +1 more | 2019-06-04 |
| 9971937 | Biometric camera | Ilia Ovsiannikov, Yibing Wang, Yong-hwa Park, Heesun Yoon, Changyoung Park +1 more | 2018-05-15 |
| 9894347 | 3D image acquisition apparatus and method of driving the same | Hee-sun Yoon, Jang-woo YOU, Yong-hwa Park, Min-chul Yu | 2018-02-13 |
| 9451240 | 3-dimensional image acquisition apparatus and 3D image acquisition method for simultaneously obtaining color image and depth image | Jang-woo YOU, Yong-hwa Park, Hee-sun Yoon | 2016-09-20 |
| 9190545 | Optical device including three-coupled quantum well structure having multi-energy level | Yong-Tak Lee, Chang-young PARK, Byung-hoon NA, Yong-hwa Park, Gun-wu Ju | 2015-11-17 |
| 9188662 | Beam splitter for 3D camera, and 3D image acquisition apparatus employing the beam splitter | Jang-woo YOU, Yong-hwa Park | 2015-11-17 |
| 9182614 | Large-area transmissive type optical image modulator and method of manufacturing the same and optical apparatus including transmissive type optical image modulator | Sang Hun Lee, Yong-hwa Park, Chang-young PARK, Jong-oh Kwon, Jang-woo YOU +1 more | 2015-11-10 |
| 9151711 | Optoelectronic shutter, method of operating the same and optical apparatus including the optoelectronic shutter | Jae Hyung Jang, Yong-hwa Park, Chang-Soo Park, Jong-In Song | 2015-10-06 |
| 9082909 | Optical device including three coupled quantum well structure | Yong-Tak Lee, Chang-young PARK, Byung-hoon NA, Yong-hwa Park, Gun-wu Ju +1 more | 2015-07-14 |
| 9051178 | Transmissive image modulator including stacked diode structure having multi absorption modes | Yong-Tak Lee, Jang-woo YOU, Byung-hoon NA, Yong-hwa Park, Chang-young PARK +2 more | 2015-06-09 |
| 8902411 | 3-dimensional image acquisition apparatus and method of extracting depth information in the 3D image acquisition apparatus | Yong-hwa Park, Jang-woo YOU | 2014-12-02 |
| 8675272 | Optical modulator, methods of manufacturing and operating the same and optical apparatus including the optical modulator | Jae Hyung Jang, Yong-hwa Park, Chang-Soo Park, Jong-In Song | 2014-03-18 |
| 8581166 | Optoelectronic shutter, method of operating the same and optical apparatus including the optoelectronic shutter | Jae Hyung Jang, Yong-hwa Park, Chang-Soo Park, Jong-In Song | 2013-11-12 |
| 8492863 | Optical modulator | Yong-Tak Lee, Yong-hwa Park, Byung-hoon NA, Kwang-Mo PARK, Chang-Soo Park | 2013-07-23 |
| 8436370 | Optical modulator with pixelization patterns | Yong-hwa Park, Soo-haeng Cho | 2013-05-07 |
| 8432599 | Optical image modulator and method of manufacturing the same | Yong-Tak Lee, Yong-hwa Park, Byung-hoon NA, Bong-Kyu Jeong | 2013-04-30 |
| 8194303 | Optical image modulator, optical apparatus including the same, and methods of manufacturing and operating the optical image modulator | Yong-hwa Park, Jae Hyung Jang, Chang-Soo Park, Byeong Ha Lee | 2012-06-05 |
| 7714421 | Small structure and method for fabricating the same | Jong Pal Kim, Byeung-leul Lee, Sang-Woo Lee, Joon-hyock Choi | 2010-05-11 |
| 6897854 | Electronic pen input device and coordinate detecting method therefor | Suk-han Lee, Kyoung-sig Roh, Jae Won Lee | 2005-05-24 |
| 6739189 | Micro structure for vertical displacement detection and fabricating method thereof | Byeung-leul Lee, Kyu-dong Jung, Sang-Woo Lee | 2004-05-25 |
| 6137715 | Static random access memory with rewriting circuit | — | 2000-10-24 |
| 5946225 | SRAM device having negative voltage generator for performing stable data latch operation | Douk-Hyoun Ryu, In Hwan Eum | 1999-08-31 |
| 5907516 | Semiconductor memory device with reduced data bus line load | Geoun Tae Kwon | 1999-05-25 |
| 5831911 | Semiconductor memory device for reducing a static current | — | 1998-11-03 |
| 5781041 | Sense amplifier with low power in a semiconductor device | Jong Hyeop Lee | 1998-07-14 |