Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11524277 | Catalyst for mass production of multi-wall carbon nanotubes | Sang-Hyo Ryu, Chung Heon JEONG, Dong Hwan Kim | 2022-12-13 |
| 11117803 | Method for manufacturing multi-wall carbon nanotubes using continuous type process | Sang-Hyo Ryu, Chung Heon JEONG, Dong Hwan Kim | 2021-09-14 |
| 10290388 | Conductive resin composition and plastic molded product using the same | Dong Hoon OH, Sang-Hyo Ryu, Chung Heon JEONG, Ki Hong Kim, Dong Hwan Kim | 2019-05-14 |
| 9006132 | Process for preparing catalyst composition for the synthesis of carbon nanotube with high yields using the spray pyrolysis method | Sang-Hyo Ryu, Namsun Choi, Wan Sung Lee, Dong Hwan Kim, Youngchan Jang | 2015-04-14 |
| 8398894 | Catalyst for preparing carbon nanotubes by controlling its apparent density | Namsun Choi, Dong Hwan Kim, Sang-Hyo Ryu, Wan Sung Lee, Youngchan Jang | 2013-03-19 |
| 8202818 | Catalyst composition for preparing carbon nanotube | Wan Sung Lee, Namsun Choi, Dong Hwan Kim, Youngchan Jang | 2012-06-19 |
| 8137591 | Catalyst for preparing carbon nanotube comprising multi-component support materials containing amorphous silicon particles and the bulk scale preparation of carbon nanotube using the same | Dong Hwan Kim, Sang-Hyo Ryu, Wan Sung Lee, Namsun Choi, Youngchan Jang | 2012-03-20 |
| 8048821 | Catalyst composition for the synthesis of thin multi-walled carbon nanotube and its manufacturing method | Sang-Hyo Ryu, Dong Hwan Kim, Wan Sung Lee, Namsun Choi, Youngchan Jang | 2011-11-01 |
| 7468417 | Method of preparing cyclic olefin copolymer having controlled gel contents | Youngchan Jang, Han Jin Kwag | 2008-12-23 |
| 7095237 | Method of grouping single cells of power sources to build optimal packs using parameters obtained by analysis of impedance spectrum | Jee-Hwan Jang, Yevgen Barsukov | 2006-08-22 |
| 7091290 | Method for preparing homo-and co-polymers of cyclic olefin compounds using an organic boron compound as a catalyst activator | Young-Chan Jang | 2006-08-15 |
| 6998450 | Method for preparing a homo-and co-polymers by polymerization of cyclic olefin compounds using fluorine-containing aromatic hydrocarbon compound as catalyst activator | Young-Chan Jang | 2006-02-14 |
| 6969751 | Method for preparing homo-and co-polymers of cyclic olefin compounds | Young-Chan Jang, Eun Joo Park | 2005-11-29 |
| 6924652 | Method for determining optimal degree of vulcanization and optimal content of constituent ingredient of composition for vulcanization in real time by impedance measurement and analysis | Jee-Hwan Jang, Hun-Jong Baik, Ho-Sull Lee | 2005-08-02 |
| 6674287 | Method for grouping unit cells using pattern matching technology of impedance spectrum | Jee-Hwan Jang, Sang-Hyo Ryu | 2004-01-06 |
| 6620547 | Cathode including transition metal/matrix polymer composition and a secondary polymer battery therefrom | Kwanyoung Lee, Hyun Jung Kim | 2003-09-16 |
| 6335118 | Sulfurated hydrocarbon materials having high capacity and secondary cells using the same | Hyun Jung Kim, Kwanyoung Lee | 2002-01-01 |
| 6090504 | High capacity composite electrode and secondary cell therefrom | Hyun Jung Kim, Kwanyoung Lee, Hosull Lee | 2000-07-18 |
| 6057056 | Composite electrode and secondary battery therefrom | Hyun Jung Kim, Kwanyoung Lee | 2000-05-02 |