Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9944876 | System for producing biochar and method for producing biochar | Seong Kyu Park | 2018-04-17 |
| 7850940 | Carbonnitride nanotubes with nano-sized pores on their stems, their preparation method and control method of size and quantity of pore thereof | Jeung-Ku Kang, Hyun-Seok Kim, Seong-Ho Yang, Kyu-Sung Han, Se Yun Kim +2 more | 2010-12-14 |
| 7563425 | Carbonnitride nanotubes with nano-sized pores on their stems, their preparation method and control method of size and quantity of pore thereof | Jeung-Ku Kang, Hyun-Seok Kim, Seong-Ho Yang, Kyu-Sung Han, Se Yun Kim +2 more | 2009-07-21 |
| 6547838 | Sulfuric positive electrode for use in lithium secondary battery and method for manufacturing the same | Hyo-Jun Ahn, Sang Cheol Han, Young Soo Han, Sung Chul Park, Sang Min Lee | 2003-04-15 |
| 6491867 | High capacity and high performance Zr-based hydrogen storage alloy for secondary cells | Dong-Myung Kim, Jae Han Jung, Ji Sang Yu, Sang Min Lee, Jeong Gun Park +1 more | 2002-12-10 |
| 6376027 | Method for crystallizing lithium transition metal oxide thin film by plasma treatment | Youn-seon Kang, Ho-Yong Lee, Sung Chul Park, Yong-Mook Kang | 2002-04-23 |
| 6372383 | Method for preparing electrodes for Ni/Metal hydride secondary cells using Cu | Kuk Jin Jang, Dong-Myung Kim, Ji Sang Yu, Sang Min Lee, Ho-Jin Lee | 2002-04-16 |
| 6332908 | Method for modifying surface of hydrogen storage alloy for NI/MH secondary battery using flake type metal | Ji Sang Yu, Seoung Hoe Kim, Sang Min Lee, Ho-Jin Lee, Jeong Gun Park | 2001-12-25 |
| 6231829 | Carbonaceous material for anodes of rechargeable lithium-ion battery and method and apparatus for synthesizing the same | Kuk Jin Jang, Young Soo Han, Hae-Yeol Kim, Ji Sang Yu, Yun-Sun Kang +1 more | 2001-05-15 |
| 6110541 | Chemical vapor deposition method and apparatus for highly textured diamond film formation | Yoon-Kee Kim, Yoon-Jung Yong, Young Soo Han | 2000-08-29 |
| 6106768 | Mm-Ni type hydrogen storage alloy for Ni/MH secondary cell | Kuk Jin Jang, Jae Han Jung, Dong-Myung Kim, Ji Sang Yu, Sang Min Lee +2 more | 2000-08-22 |
| 6099700 | Surface acoustic wave filter employing A1N/A1N:H/A1N tri-layered film and a process for fabricating the same | Yoon-Kee Kim, Yoon-Jung Yong, Young Soo Han | 2000-08-08 |
| 6086820 | Method for producing electrodes for Ni/metal hydride alloy secondary cells | Kuk Jin Jang, Jae Han Jung, Dong-Myung Kim, Ji Sang Yu, Sang Min Lee +2 more | 2000-07-11 |
| 5922146 | Hydrogen-absorbing alloy of ultra high capacity for electrode of secondary battery | Han Ho Lee, Ki Young Lee, Jae Han Jung, Dong-Myung Kim, Ji Sang Yu | 1999-07-13 |
| 5888317 | Hydrogen-storage material employing ti-mn alloy system | Ki Young Lee, Han Ho Lee, Dong-Myung Kim, Ji Sang Yu, Jae Han Jung +1 more | 1999-03-30 |
| 5874824 | Method of activation treatment of Ni/MH secondary battery by hot-charging | Dong-Myung Kim, Ki Young Lee, Jae Han Jung, Ji Sang Yu, Han Ho Lee | 1999-02-23 |
| 5857139 | Process for preparing an electrode for secondary battery employing hydrogen-storage alloy | Ki Young Lee, Han Ho Lee, Dong-Myung Kim, Ji Sang Yu, Jae Han Jung +1 more | 1999-01-05 |
| 5701078 | Method of measuring residual capacity of a Ni/MH cell | Hwan-Cheol Lee, Jon-Ha Lee, Han Ho Lee, Dong-Myung Kim | 1997-12-23 |
| 5645953 | Secondary battery and method for controlling the self-discharge of a nickel/metal hydride secondary battery | Young Woo Kim, Sung Keun Lee, Jon-Ha Lee, Han Ho Lee | 1997-07-08 |
| 5599640 | Alkaline fuel cell | Han Ho Lee, Jon-Ha Lee, Dong-Myung Kim | 1997-02-04 |
| 5591394 | Zirconium-based hydrogen storage alloy useable for negative electrodes for secondary battery | Soo-Ryeol Kim | 1997-01-07 |
| 5330709 | Zirconium-based hydrogen storage materials useful as negative electrodes for rechargeable battery | Soo-Ryeol Kim | 1994-07-19 |
| 5028389 | Hydrogen storage materials of Zr-Ti-Cr-Fe | Jong-Man Park | 1991-07-02 |