Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12170485 | Switching regulator circuit | Takahiro Nomiyama | 2024-12-17 |
| 11258359 | Switching regulator generating continuous output delivery current and operating method thereof | Dong-Su Kim, Jun Suk Bang | 2022-02-22 |
| 11078581 | Catalyst composite and method for manufacturing the same | Seok Jin Kim, Javeed Mahmood, Feng Li | 2021-08-03 |
| 10985654 | Switching regulator and method of operating the same | Takahiro Nomiyama, Seung-Chan Park | 2021-04-20 |
| 10879804 | Switching regulator for dynamically changing output voltage and power supply circuit including the switching regulator | Dong-Su Kim | 2020-12-29 |
| 9656871 | Edge-functionalized graphitic material through mechanochemical process and manufacturing method thereof | In Yup Jeon | 2017-05-23 |
| 9487637 | Water dispersible flame retardant composition comprising phosphorus-functionalized graphite preparation method thereof | In Yup Jeon, Min Jung Kim | 2016-11-08 |
| 9490040 | Graphene for semiconductor co-doping boron and nitrogen at the same time and preparation method thereof | Sun Min Jung, In Yup Jeon | 2016-11-08 |
| 9434664 | Preparation method for edge-fluorinated graphite via mechanic-chemical process | In Yup Jeon | 2016-09-06 |
| 9249027 | Apparatus and method for exfoliation of graphene | In Yup Jeon | 2016-02-02 |
| 9187604 | Hyperbranched poly(ether-ketones) via an A3 + B2 polymerization method | Loon-Seng Tan | 2015-11-17 |
| 9017638 | Graphene prepared by using edge functionalization of graphite | Eun-Kyoung Choi, In Yup Jeon, Seo Yun Bae | 2015-04-28 |
| 7960471 | Nanocomposites from in-situ polymerization of 3-phenoxy-benzoic acid in the presence of vapor-grown carbon nanofibers | Loon-Seng Tan | 2011-06-14 |
| 7790831 | Hyperbranched polybenzazoles via an A3+ B2 polymerization | Loon-Seng Tan, David Huabin Wang | 2010-09-07 |
| 7582719 | Carboxylic-acid-terminated hyperbranched poly(benzoxazole) and the star block copolymers therefrom | Loon-Seng Tan | 2009-09-01 |
| 7005550 | Arylcarbonylated vapor-grown carbon nanofibers | Loon-Seng Tan | 2006-02-28 |
| 6979737 | Quinoxaline-containing AB2 monomer for hyperbranched aromatic poly(ether-ketones) | Loon-Seng Tan | 2005-12-27 |
| 6974857 | End-capped quinoxaline-containing hyperbranched aromatic poly(ether-ketones) | Loon-Seng Tan | 2005-12-13 |
| 6849707 | Quinoxaline-containing hyperbranched aromatic poly(ether-ketones) | Loon-Seng Tan | 2005-02-01 |
| 6743889 | Hyperbranched ether-ketone co-polymers | Loon-Seng Tan | 2004-06-01 |
| 6642347 | Amine-terminated hyperbranched quinoxaline-amide polymers | Loon-Seng Tan, John B. Ferguson | 2003-11-04 |
| 6639042 | Hyperbranched poly(arylene-ether-ketone-imide) containing thermally reactive groups | Loon-Seng Tan | 2003-10-28 |
| 6608171 | Quinoxaline-containing hyperbranched poly(benzoxazoles) rights of the government | Loon-Seng Tan | 2003-08-19 |
| 6552195 | Quinoxaline-containing AB2 monomers for hyperbranched aromatic polyamides | Loon-Seng Tan | 2003-04-22 |
| 6541633 | Bis-(ortho-aminophenol)-carboxylic acid AB2 monomer | Loon-Seng Tan | 2003-04-01 |