HC

Hyuk Chang

Samsung: 62 patents #1,235 of 75,807Top 2%
BR Broan-Nutone: 4 patents #32 of 141Top 25%
EL Eaton Intelligent Power Limited: 2 patents #743 of 2,212Top 35%
TR The Universty Of Texas System,Board Of Regents: 1 patents #10 of 109Top 10%
PF Postech Academy-Industry Foundation: 1 patents #529 of 1,477Top 40%
HL Helen Of Troy Limited: 1 patents #316 of 496Top 65%
University of California: 1 patents #8,022 of 18,278Top 45%
📍 Pittsburgh, PA: #24 of 7,570 inventorsTop 1%
🗺 Pennsylvania: #338 of 74,527 inventorsTop 1%
Overall (All Time): #29,209 of 4,157,543Top 1%
70
Patents All Time

Issued Patents All Time

Showing 51–70 of 70 patents

Patent #TitleCo-InventorsDate
7771889 Fuel cartridge and direct liquid feed fuel cell system having the same Hye-jung Cho, Jae Yong Lee, Kyoung-hwan Choi 2010-08-10
7759453 Multiblock copolymer, method of preparing the same, polymer electrolyte membrane prepared from the multiblock copolymer, method of preparing the polymer electrolyte membrane, and fuel cell employing the polymer electrolyte membrane Hae-kyoung Kim, Won-mok Lee, Jin Chul Jung, Sam Dae Park, Yoon-ju Chang 2010-07-20
7732094 Mesoporous carbon composite, method of preparing the same, and fuel cell using the mesoporous carbon composite Chan-ho Pak, Yeong Suk Choi, Sang Hoon Joo 2010-06-08
7695842 Fuel supply device for direct methanol fuel cells Hye-jung Cho, Xiaobing Luo 2010-04-13
7670582 Mesoporous carbon and method of producing the same Chan-ho Pak, Sang Hoon Joo, Ji-man Kim, Hyung-ik Lee 2010-03-02
7655335 Air breathing direct methanol fuel cell pack Kyoung-hwan Choi 2010-02-02
7622220 Polymer electrolyte and fuel cell using the same Hae-kyoung Kim, Kenneth J. Balkus, Jr., John P. Ferraris, Duck Joo Yang, Zhiwei Yang 2009-11-24
7603070 Heat roller of image forming apparatus Jong Min Kim 2009-10-13
7585584 Carbon nanotubes for fuel cells, method for manufacturing the same, and fuel cell using the same Won-bong Choi, Jae-uk Chu, Chan-ho Pak 2009-09-08
7566514 Catalyst for cathode in fuel cell Sung Hoon Lee, Chan-ho Pak, Jai-kwang Shin 2009-07-28
7518045 Method of preparing carbon nanocages Chan-ho Pak, Jian Wang 2009-04-14
7402544 Mesoporous carbon molecular sieve and supported catalyst employing the same Chan-ho Pak, Ji-man Kim 2008-07-22
7368198 Polymer nanocomposite membrane and fuel cell using the same Hae-kyoung Kim, Jae Sung Lee, Chang Houn Rhee 2008-05-06
7335438 Bipolar plate and fuel cell including the same Seung Jae Lee, Kyoung-hwan Choi 2008-02-26
7326487 Method for fabricating membrane-electrode assembly and fuel cell adopting the membrane-electrode assembly 2008-02-05
7220697 Mesoporous carbon molecular sieve and supported catalyst employing the same Chan-ho Pak, Ji-man Kim 2007-05-22
7166381 Air breathing direct methanol fuel cell pack Kyoung-hwan Choi 2007-01-23
6749892 Method for fabricating membrane-electrode assembly and fuel cell adopting the membrane-electrode assembly 2004-06-15
6743541 Monopolar cell pack of proton exchange membrane fuel cell and direct methanol fuel cell Chan Lim 2004-06-01
6344428 Method of forming catalyst layer for fuel cell Chan Lim 2002-02-05