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ISSUED PATENTS

  1. “Method of manufacturing porous metal foam”, 9,518,309, US patent issued on Dec. 13, 2016 by Myounggeun Choi, Hyungyung Jo, Hyeji Park, Yoonsook Noh, Yunsung Kim, Changui Ahn, Seokwoo Jeon, Dongseok Kim, Do-Kyung Kim, Heeman Choe

  2. “Fuel cell electrode”, 9,203,093, US patent issued on Dec. 1, 2015 by NakHyun Kwon, InChul Hwang, Jaeseung Lee, Bumwook, Roh, Yungeun Sung, Juwan Lim, Yoonhwan Cho, Namgee, Jung, Heeman Choe, Yonghun Cho

  3. “Method for manufacturing metallic substrate having metal foam layer on the surface and metallic substrate manufactured thereby”, 1016893870000, Korean patent issued on Dec. 19, 2016 by Hyunjung Yoon, Hyungyung Jo, Hyelim Choi, Mijung Cho, Seoyeon Lee, Hyejin Jang, Heeman Choe

  4. “Anode for Lithium Ion Secondary Battery and Method for Manufacturing the Same”, 1016234470000, Korean patent issued on May 17, 2016 by Hyeji Park, Hyelim Choi, Myounggeun Choi, Changui Ahn, Dongsuk Kim, Do kyung Kim, Seokwoo Jeon, Heeman Choe

  5. “Ceramic-Metal Composite Materials and Method for Manufacturing the Same”, 1016234430000, Korean patent issued on May 17, 2016 by Hyunjyung Yoon, Okhee Kim, Hyelim Choi, Hyeji Park, Do kyung Kim, Heeman Choe

  6. “Dye-sensitized solar cell and Manufacturing method”, 1014037080000, Korean patent issued on May 28, 2014 by Sun Ha Park, Yong-Hun Cho, Hyungyung Jo, Myounggeun Choi, Hyelim Choi, Yung-Eun Sung, Dongsuk Kim, Do kyung Kim, Heeman Choe

  7. “Manufacturing method of metal foam and metal foam manufactured thereby”, 1014782860000, Korean patent issued on Dec. 24, 2014 by Hyungyung Jo, Myounggeun Choi, Yong Hun Cho, Hyelim Choi, Heeman Choe, Dongsuk Kim, Do kyung Kim

  8. “Manufacturing method of metal foam and metal foam manufactured thereby”, 1014561160000, Korean patent issued on Oct. 23, 2014 by Hyungyung Jo, Myounggeun Choi, Hyelim Choi, Heeman Choe, Yunsung Kim, Dongsuk Kim, Do kyung Kim

  9. “Dye-sensitized solar cell and Manufacturing method”, 1014100610000, Korean patent issued on June 13, 2014 by Hyelim Choi, HyunJung Yoon, Hyungyung Jo, Yong-Hun Cho, Sun Ha Park, Yung-Eun Sung, Do kyung Kim, Dongsuk Kim, Heeman Choe

  10. “Metal air batteries including metal foam and method thereof”, 1013765950000, Korean patent issued on March 14, 2014 by Hyelim Choi, Yong-Hun Cho, Juwan Lim, Yung-Eun Sung, Eunji Hong, Do kyung Kim, Dongsuk Kim, Heeman Choe

  11. “Method of making an earth-boring particle-matrix rotary drill bit”, 8,616,089, US patent issued on Dec. 31, 2013 by Heeman Choe, John Stevens, Eric Sullivan

  12. “Metal foam for electrode of lithium secondary battery, preparing method thereof and lithium secondary battery including the metal foam”, 1013532620000, Korean patent issued on Jan. 14, 2014 by Ji Hyun Um, Yong-Eun Sung, Yong-Hun Cho, Hyelim Choi, Heeman Choe

  13. “Manufacturing method of metal foam with uniformly distributed nano-sized pores and metal foam manufactured thereby”, 1013310270000, Korean patent issued on Nov. 13, 2013 by Seungjin Nam, Hyunjoo Choi, Hyungyung Jo, Heeman Choe

  14. “Fuel cell and method of manufacturing thereof”, 1013214630000, Korean patent issued on Oct. 17, 2013 by Yong-Hun Cho, Hyelim Choi, Ok-Hee Kim, Yong-Eun Sung, Heeman Choe

  15. “Abrasion resistible composite comprising indium doped copper alloy matrix with tungsten carbide particles and producing method thereof”, 1012845460000, Korean patent issued on July 04, 2013 by Eunji Hong, Hyelim Choi, Yunsung Kim, Dongjun Shin, Hyoungjoo Lee, Jooyoung Kim, Heeman Choe

  16. “Metal air batteries including metal foam and method thereof”, 1012822050000, Korean patent issued on June 28, 2013 by Hyelim Choi, Yong-Hun Cho, Juwan Lim, Yung-Eun Sung, Eunji Hong, Do kyung Kim, Dongsuk Kim, Heeman Choe

  17. “Methods of forming earth-boring rotary drill including bit bodies having boron carbide particles in aluminum or aluminum-based alloy matrix materials”, 8,230,762, US patent issued on July 31, 2012 by Heeman Choe, Stevens John, Westhoff James, Eason Jimmy, Overstreet James

  18. “Earth-boring particle-matrix rotary drill bit and method of making the same”, 8,201,648, US patent issued on June 19, 2012 by Heeman Choe, Stevens John, Sullivan Eric

  19. “Copper-cored solder balls for micro-electronic packages and micro-electronic packages including the same”, 1011417620000, Korean patent issued on April 24, 2012 by Heeman Choe, Yunsung Kim, Hyelim Choi, Eunji Hong, Jeongtak Moon

  20. “Earth-boring tools comprising silicon carbide composite materials, and methods of forming same”, 8,074,750, US patent issued on December 13, 2011 by Heeman Choe, Stevens John H., James L. Overstreet, Jimmy W. Eason, James C. Westhoff

  21. “Earth-boring rotary drill bits including bit bodies having boron carbide particle in aluminum or aluminum-based alloy matrix materials, and methods for forming such bits”, 7,913,779, US patent issued on March 29, 2011 by Heeman Choe, Stevens John, James Westhoff, Jimmy Eason, James Overstreet

  22. “Method for forming earth-boring tools comprising silicon carbide composite materials”, 7,807,099, US patent issued on October 5, 2010 by Heeman Choe, Stevens John, James Westhoff, Jimmy Eason, James Overstreet

  23. “Earth-boring rotary drill bits bodies comprising reinforced titanium or titanium-based alloy matrix materials, and methods for forming such bits”, 7,784,567, US patent issued on August 31, 2010 by Heeman Choe, John Stevens, James Overstreet, James Westhoff, Jimmy Eason

  24. “Solder foams, nano-porous solders, foamed-solder bumps in chip packages, methods of assembling same, and systems containing same”, 7,745,013, US patent issued on June 29, 2010 by Heeman Choe, Daewoong Suh

 

 

 

Prof. Heeman Choe,(heeman@kookmin.ac.kr)
School of Advanced Materials Engineering, Kookmin University
861-1 Jeongneung-Dong, Songbuk-Gu, Seoul, 136-702 Korea
Tel. 82-2-910-5020; Fax. 82-2-910-4320
서울시 성북구 정릉동 861-1 국민대학교 신소재 공학부, 136-702
최희만(heeman@kookmin.ac.kr)
전화: 02-910-5020; 팩스: 02-910-4320