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 26–50 of 70 patents

Patent #TitleCo-InventorsDate
8333948 Carbon nanotube for fuel cell, nanocomposite comprising the same, method for making the same, and fuel cell using the same Chan-ho Pak, Sungho Jin, Xiang-Rong Ye, Li-Han Chen 2012-12-18
8187764 Fuel cell with moisture retentive layer in MEA Ji-rae Kim, Hae-kyoung Kim, Seung Jae Lee 2012-05-29
8173712 Modified inorganic material with ion exchange capacity, composite electolyte membrane comprising the same, and fuel cell comprising the composite electrolyte membrane Hae-kyoung Kim, Jae Sung Lee, Hyun Chul Lee, Chang Houn Rhee 2012-05-08
8173096 Carbon nanosphere with at least one opening, method for preparing the same, carbon nanosphere-impregnated catalyst using the carbon nanosphere, and fuel cell using the catalyst Chan-ho Pak, Jian Wang 2012-05-08
8142954 Fuel composition for fuel cell and fuel cell using the same Seol-ah Lee, Chan-ho Pak, Dae-jong Yoo 2012-03-27
8114372 Hierarchical mesoporous carbon, method of manufacturing the same, and fuel cell using the same Chan-ho Pak, Ji-man Kim 2012-02-14
8083905 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 2011-12-27
8053135 Microporous thin film comprising nanoparticles, method of forming the same, and fuel cell comprising the same Ji-rae Kim 2011-11-08
8050608 Fusing device and image apparatus having a biased pressing roller 2011-11-01
8043765 Fuel cell system comprising vapor-phase fuel supplying system Hae-kyoung Kim, Jung-Min Oh, Jae Yong Lee 2011-10-25
8043595 Mesoporous carbon including heteroatom, manufacturing method thereof, and fuel cell using the mesoporous carbon Chan-ho Pak, Sang Hoon Joo, Ji-man Kim, Hyung-ik Lee 2011-10-25
8003272 Fuel cell for microcapsule-type robot and microcapsule-type robot powered by the same Kyoung-hwan Choi, Christopher Ko 2011-08-23
7994088 Supported catalyst, method of preparing the same, and fuel cell using the same Chan-ho Pak, Dae-jong Yoo, Sang Hoon Joo, Seol-ah Lee 2011-08-09
7981568 Ion conductive composite membrane using inorganic conductor Hae-kyoung Kim, Hasuck Kim, Jin Kyu Lee, Sangook Park, Shin Woo Ha 2011-07-19
7981826 Supported catalyst and method of preparing the same Chan-ho Pak, Dae-jung Yoo, Seol-ah Lee, Gongquan Sun, Luhua Jiang +1 more 2011-07-19
7976993 Fuel composition for fuel cell and fuel cell using the same Seol-ah Lee, Chan-ho Pak, Dae-jong Yoo 2011-07-12
7923159 Water recovery system and direct liquid feed fuel cell having the same Hye-jung Cho, Kyoung-hwan Choi, Jae Yong Lee 2011-04-12
7906243 Accelerated testing method of rapidly evaluating lifespan of fuel cell Seung Jae Lee, Ji-rae Kim, Gongquan Sun, Xinsheng Zhao, Qin Xin 2011-03-15
7883820 Ion conductive composite membrane using inorganic conductor and method of manufacturing the same Hae-kyoung Kim, Hasuck Kim, Jin Kyu Lee, Sangook Park, Shin Woo Ha 2011-02-08
7879971 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, Yun Ju Chang 2011-02-01
7867940 Supported catalyst and method of preparing the same Chan-ho Pak, Dae-jong Yoo, Seol-ah Lee, Gongguan Sun, Luhua Jiang +1 more 2011-01-11
7867941 Sulfur-containing mesoporous carbon, method of manufacturing the same, and fuel cell using the mesoporous carbon Sang Hoon Joo, Chan-ho Pak, Ji-man Kim, Hyung-ik Lee 2011-01-11
7854913 Mesoporous carbon, method of preparing the same, and fuel cell using the carbon Sang Hoon Joo, Chan-ho Pak, Ji-man Kim, Hyung-ik Lee 2010-12-21
7842199 Proton conducting titanate, polymer nano-composite membrane including the same, and fuel cell adopting the polymer nano-composite membrane Hae-kyoung Kim, Jae Sung Lee, Young Kwon Kim 2010-11-30
7837968 Carbon nanosphere with at least one opening, method for preparing the same, carbon nanosphere-impregnated catalyst using the carbon nanosphere, and fuel cell using the catalyst Chan-ho Pak, Jian Wang 2010-11-23