Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7830505 | Structure for diagnosis system of reaction process | Sang-Woo Kang, Ju-Young Yun, Dae Jin Seong | 2010-11-09 |
| 7784352 | Apparatus for measuring pressure by using diaphragm and method of pressure measurement by using diaphragm | Seung Soo Hong, Jin Tae Kim | 2010-08-31 |
| 7735373 | Apparatus for measuring pressure in a vessel using magnetostrictive acoustic transducer | Seung Hyun CHO, Bongyoung AHN, Seung Soo Hong | 2010-06-15 |
| 7716991 | Apparatus for measuring pressure using acoustic impedance variation | Bongyoung AHN, Seung Hyun CHO, Seung Soo Hong, Kwang Hwa Chung | 2010-05-18 |
| 7569178 | Apparatus and method for in-situ calibration of vacuum gauge by absolute method and comparison method | Seung Soo Hong, Kwang Hwa Chung, In Tae Lim | 2009-08-04 |
| 7456633 | Apparatus for and method of measuring composition and pressure of the discharged gas from ion gauge using residual gas analyzer | Seung Soo Hong, Kwang Hwa Chung | 2008-11-25 |
| 7228742 | Pressure measuring system for vacuum chamber using ultrasonic wave | Seung Soo Hong, Kwang Hwa Chung | 2007-06-12 |
| 7061184 | Plasma electron density measuring and monitoring device | Jung Hyung Kim, Kwang Hwa Chung, Sang Choi | 2006-06-13 |
| 6687626 | Apparatus for measuring distribution of flow rates of flowable medium | Dae Jin Seong, Jung Hyung Kim, Jong Yeon Lim, Kwang Hwa Jung | 2004-02-03 |