Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6737195 | Positive active material for rechargeable lithium battery and method of preparing same | Ho-Jin Kweon, Hyun-Sook Jung, Yong-Chul Park | 2004-05-18 |
| 6613476 | Positive active material for rechargeable lithium battery and method of preparing same | Jae-Phil Cho, Do-young Seung | 2003-09-02 |
| 6569569 | Positive active material for lithium secondary batteries and method of preparing the same | Ho-Jin Kweon, Hyun-Sook Jung, Yong-Chul Park, Wan-Seog Oh | 2003-05-27 |
| 6531220 | Positive active material for rechargeable lithium battery and method of preparing same | Ho-Jin Kweon, Hyun-Sook Jung | 2003-03-11 |
| 6395430 | Hybrid polymer electrolyte for lithium battery and method of preparing same | Jae-Phil Cho, Yong-Chul Park | 2002-05-28 |
| 6372385 | Active material for positive electrode used in lithium secondary battery and method of manufacturing same | Ho-Jin Kweon, Sung-Soo Kim, Dong-Gon Park | 2002-04-16 |
| 6291103 | Positive active material for rechargeable lithium battery | Yong-Chul Park, Jae-Phil Cho, Hyun-Sook Jung | 2001-09-18 |
| 6274273 | Positive active material for rechargeable lithium battery and method of preparing same | Jae-Phil Cho, Yong-Chul Park | 2001-08-14 |
| 6241959 | Method of manufacturing lithium composite oxide as positive active material for lithium secondary batteries | Jae-Phil Cho, Yong-Chul Park, Sung-Soo Kim | 2001-06-05 |
| 6210834 | Active material for positive electrode used in lithium secondary battery and method of manufacturing same | Ho-Jin Kweon, Dong-Gon Park | 2001-04-03 |
| 6183911 | Positive active material for rechargeable lithium battery and method of preparing same | Ho-Jin Kweon, Dong-Gon Park | 2001-02-06 |
| 6083643 | Active material for a cathode of lithium ion battery and a method for preparing the same | Jae-Phil Cho | 2000-07-04 |
| 6066417 | Glass-polymer composite electrolyte and a method of preparing the same | Jae-Phil Cho | 2000-05-23 |
| 5910296 | Method of preparing Ni-M hydroxycarbonate having a high density | Sang Won Lee, Yong-Chul Park, Sung-Soo Kim | 1999-06-08 |
| 5905722 | Call processing method in radio telephone using spread spectrum communication system | — | 1999-05-18 |
| 5821683 | Cathode assembly having thermion emitter of cermet pallet | Kyu-Nam Joo, Jong-Seo Choi, Kwi-seuk Choi, Sang Won Lee | 1998-10-13 |
| 5789113 | Active material for nickel electrode and nickel electrode having the same | Kyu-Nam Joo, Jong-Seo Choi, Kwi-seuk Choi, Sang Won Lee | 1998-08-04 |
| 5773922 | Direct heating cathode and process for producing such | Kwang-Min Lee, Kyu-Nam Joo, Jong-Seo Choi, Kwi-seuk Choi | 1998-06-30 |
| 5708321 | Cathode for electron tube having an electron-emission layer including a lanthanum-magnesium-manganese oxide | Kyu-Nam Joo, Jong-Seo Choi, Kwi-seuk Choi, Sang Won Lee | 1998-01-13 |
| 5684357 | Thermion emitting oxide cathode and method for making the same | Kwang-Min Lee, Kyu-Nam Joo, Jong-Seo Choi, Kwi-seuk Choi, Sang Won Lee | 1997-11-04 |
| 5681665 | Negative electrode for alkaline storage battery | Sang Won Lee, Hwang-chul Bae, Jong-Seo Choi, Kwi-seuk Choi, Kyu-Nam Joo | 1997-10-28 |
| 5679130 | Hydrogen occluded alloy and process for producing such | Kwang-Min Lee, Kyu-Nam Joo, Jong-Seo Choi, Kwi-seuk Choi, Sang Won Lee | 1997-10-21 |
| 5620813 | Positive nickel electrode for alkaline storage battery | Sang Won Lee, Hwang-chul Bae, Jong-Seo Choi, Kwi-seuk Choi, Kyu-Nam Joo | 1997-04-15 |