Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9593479 | Sound absorption sheet with improved sound absorption function and method for manufacturing same | Seong-Moon Jung, Bong Gyu Kang | 2017-03-14 |
| 9447577 | Sound absorbing sheet having micro resonant structure, method for manufacturing same, and sound absorption type soundproof panel using same | Seong-Moon Jung, Bong Gyu Kang | 2016-09-20 |
| 9416532 | Interior sound absorption sheet and sound absorbing sound-proofing panel containing same | Seong-Moon Jung, Bong Gyu Kang | 2016-08-16 |
| 9190046 | Glass fiber-based sound absorbing sheet having adjustable permeability and air porosity | Seong-Moon Jung, Ju-Hyung Lee, Joo-Hwan Seo | 2015-11-17 |
| 8739927 | Gypsum panel having outstanding sound-absorbing properties and a production method therefor | Heon-Sung Kang, Seong-Moon Jung | 2014-06-03 |