Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11340013 | Apparatus for liquefying natural gas and method for liquefying natural gas | Ta Kwan Woo, Taehee Kang, Heeseung Na, Hweeung Kwon, Gaehyun Nam +2 more | 2022-05-24 |
| 10760526 | Piston for internal combustion engine | Jun Kui YANG, Kwan Ho RYU, Sang Hyuk JUN, Woo-Seok Shim, In Cheol Yoo | 2020-09-01 |
| 10410937 | Optical measuring method for semiconductor wafer including a plurality of patterns and method of manufacturing semiconductor device using optical measurement | Bong Seok Kim, Souk Kim, Yu-Sin Yang, Soo Seok Lee | 2019-09-10 |
| 10060327 | Piston for internal combustion engine, and cooling channel core | Sang Hyuk JUN, Jeong Keon LEE, Kwan Ho RYU, Jun Kui YANG | 2018-08-28 |
| 9919770 | Mooring apparatus for offshore construction | Chan Il Park, Jeong Yun Moon | 2018-03-20 |
| 9593940 | Optical measuring methods and apparatus | Dong Min Seo | 2017-03-14 |
| 9417180 | Optical measuring methods and system | Dong Min Seo | 2016-08-16 |
| 9255789 | Method for measuring thickness of object | Il Nam, Kwan-Woo Ryu | 2016-02-09 |
| 8551791 | Apparatus and method for manufacturing semiconductor devices through layer material dimension analysis | Chung-Sam Jun, Hwan-Shik Park, Ji Hye Kim, Kwan-Woo Ryu, Kong-Jung Sa +1 more | 2013-10-08 |
| 7197426 | Method and apparatus for measuring thickness of metal layer | Chung-Sam Jun, Hwan-Shik Park | 2007-03-27 |