Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8529512 | Cylinder pump | Sang-Bin Lee, Jeong-Ju Lee, Jae Soon Choi, Seung Won Lee | 2013-09-10 |
| 8043974 | Semiconductor wet etchant and method of forming interconnection structure using the same | Jung-Dae Park, Young-Sub You, Tae-Hyo Choi, Hun-Jung Yi | 2011-10-25 |
| 7850449 | Heat treatment equipment | Jae-Hyun Yang, Yo-Han Ahn, Gui-Young Cho, Hong Hee Jeong, Mi-Ae Kim | 2010-12-14 |
| 7803844 | Composition for preventing and/or treating bone disease, physiologically functional or health food containing thereof, and pharmaceutical containing thereof as active ingredients | Byung-Yoon Cha, Takayuki Yonezawa, Shinichi Hasegawa, Je-Tae Woo, Kazuo Nagai | 2010-09-28 |
| 7398801 | Apparatus and method for processing wafers | Soo Woong LEE, Hyun Ho Cho, Hee-Sun Chae, Jae-Hyung Jung, Sun-Yong Lee | 2008-07-15 |
| 7047793 | Sensitive substance and surface acoustic wave gas sensor using the same | Jung-Sung Hwang, Seung-Yeon Cho | 2006-05-23 |
| 6679194 | Cassette table of a semiconductor fabricating apparatus | Dong-Seok Ham, Hyeogi-Ki Kim, Kyoung-Ho Park | 2004-01-20 |
| 6093229 | Drive checking system for fan filter units in clean room | Jung-Sung Hwang, Yo-Han Ahn, Jae-heung Choi | 2000-07-25 |
| 5993519 | Method of exchanging filters in a clean room and auxiliary device for use in the exchanging of the filters | Chang-Su Lim, Hyun Joon Kim, Youn-soo Han | 1999-11-30 |
| 5984775 | Grating and shutter apparatus for controlling air flow | Tae Jin Hwang | 1999-11-16 |
| 5792226 | Air current controlling device and clean room adopting the same | Joung-Sun Lee, Jae-jun Ruy, Sang-Young Mun | 1998-08-11 |