Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10845347 | Particle sampling probe and fine dust measuring device using same | — | 2020-11-24 |
| 10591397 | Apparatus and system for classifying particles | — | 2020-03-17 |
| 8072598 | Condensation particle counter | — | 2011-12-06 |
| 7972567 | Apparatus for manufacturing ultra-fine particles using corona discharge and method thereof | — | 2011-07-05 |
| 7724368 | Condensation particle counter | — | 2010-05-25 |
| 7719683 | Condensation particle counter | — | 2010-05-18 |
| 7605910 | Particle measuring system and method | — | 2009-10-20 |
| 7471076 | Apparatus for measuring numbers of particles and method thereof | — | 2008-12-30 |
| 7347679 | Apparatus for manufacturing ultra-fine particles using electrospray device and method thereof | Jeong-Ho Ahn, Sang Hyun Ahn | 2008-03-25 |
| 7334602 | Apparatus for controlling flow rate of gases used in semiconductor device by differential pressure | — | 2008-02-26 |
| 6980284 | Condensation particle counter | Sang-Soo Kim, Hae-Young Jeong | 2005-12-27 |
| 6860434 | Apparatus for manufacturing ultra-fine particles using electrospray device and method thereof | Jeong-Ho Ahn, Sang Hyun Ahn | 2005-03-01 |
| 6471753 | Device for collecting dust using highly charged hyperfine liquid droplets | Jeong-Ho Ahn, Sang Hyun Ahn | 2002-10-29 |
| 5267017 | Method of particle analysis on a mirror wafer | Yuri S. Uritsky, Harry Q. Lee, Patrick Kinney | 1993-11-30 |
| 4962776 | Process for surface and fluid cleaning | Benjamin Y. H. Liu | 1990-10-16 |
| 4817652 | System for surface and fluid cleaning | Benjamin Y. H. Liu | 1989-04-04 |