工学博士, 韓国、釜山大学

Polymer materials, Poylmer&Fiber Material

1999, Pusan National University, Korea, Deartment of Textile Engineering, Textile Physics

2014
繊維学会, 論文賞

2013
韓国特許庁, 優秀審査官賞

2008
プラスチック成形加工学会成形加工シンポジアの‘08, 発表賞

2006
プラスチック成形加工学会成形加工シンポジアの‘06, 発表賞

Tensile strength of polyester fiber estimated by molecular-chain extension prior to structure formation
Ren Tomisawa, Mutsuya Nagata, Yumu Otsuka, Toshifumi Ikaga, KyoungHou Kim, Yutaka Ohkoshi, Kazuyuki Okada, Toshiji Kanaya, Hiroo Katsuta
SCIENTIFIC REPORTS, 13, 11759, Jun. 2023

X-ray Computed Tomography Observations of Multi-Hollowed Fibers Produced by CO2 Laser-Heated Drawing
Takuma Isshiki, Hidenori Yamazaki, Toshifumi Ikaga, Kyoung-Hou Kim, Yutaka Ohkoshi
JOURNAL OF FIBER SCIENCE AND TECHNOLOGY, 78(7), 121-125, Jul. 2022

High Strength Fiber obtained from a High Stereoregularity Metallocene Catalyst-Synthesized Polypropylene
Kunimitsu Tatsuma, Toyoda Kai, Ikaga Toshifumi, Kim KyoungHou, Ohkoshi Yutaka, Koike Katsuhiko
Polymer, 202, 122654, Aug. 2020

Effects of melt-spinning speed on structure development of polypropylene fiber after necking
Koike Naoki, Tomisawa Ren, Ikaga Toshifumi, Kim KyoungHou, Ohkoshi Yutaka, Okada Kazuyuki, Masunaga Hiroyasu, Kanaya Toshiji, Katsuta Hiroo, Funatsu Yoshitsugu
JOURNAL OF FIBER SCIENCE AND TECHNOLOGY, 76(5), 161-169, May 2020

繊維および繊維集合体の製造方法と構造解析に関する研究
金慶孝
繊維学会誌, 75(11), 591-595, Nov. 2019

Effects of dimensions and regularity on the mechanical properties of the smectic phase formed during orientation-induced crystallization of poly(ethylene terephthalate)
Ren Tomisawa, Shun Oneda, Toshifumi Ikaga, Kyoung-Hou Kim, Yutaka Ohkoshi, Kazuyuki Okada, Hiroyasu Masunag, Toshiji Kanaya, Hiroo Katsuta, Yoshitsugu Funatsu
Polymer, 164, 163-173, Jan. 2019

Visualization of a pillar-shaped fiber bundle in a model needle-punched nonwoven fabric using X-ray micro-computed tomography
Tatsuya Ishikawa, KyoungHou Kim, Yutaka Ohkoshi
Textile Research Journal, 87(11), 1387–1393, 2017

Fiber Structure Development of Syndiotactic Polystyrene after Necking during the Laser-Heated Drawing Process
Gaku Matsuno, Toshifumi Ikaga, Kyoung-Hou Kim, Yutaka Ohkoshi, Takeharu Tajima, Hideaki Yamaguchi, Isao Wataoka
J. Fiber Sci. Technol., 73(7), 158-169, 2017

Effect of melt spinning conditions on the fiber structure development of polyethylene terephthalate
R. Tomisawa, T. Ikaga, K.H. Kim, Y. Ohkoshi, K. Okada, H. Masunaga, T. Kanaya, M. Masuda, Y. Maeda
Polymer, 116, 367-377, 2017

Effect of draw ratio on fiber structure development of polyethylene terephthalate
R. Tomisawa, T. Ikaga, K.H. Kim, Y. Ohkoshi, K. Okada, H. Masunaga, T. Kanaya, M. Masuda, Y. Maeda
Polymer, 116, 357-366, 2017

Fiber structure development of Nylon 6 after necking
Kyoung-Hou Kim, Yutaka Ohkoshi, Akira Wakasugi, Aya Komoriya, Toshifumi Ikaga, Isao Wataoka, Hiroshi Urakawa, Masato Masuda, Yuhei Maeda
J. Fiber Sci. Technol., 73(1), 19-26, 2017

Crystallization, orientation, and mechanical properties of laserheated photothermally drawn polypropylene/multi-walled carbon nanotube fibers
Byung Hak Lee, Jae Whan Cho, Kyoung Hou Kim
European Polymer Journal, 91, 70–80, 2017

Response of fiber diameter to a continuously changing draw ratio in a laser drawing process
Munekazu Matoba, Yutaka Ohkoshi, Kyoung Hou Kim and Toshifumi Ikaga
Textile Research Journal, 86(10), 1074-1083, 2016

Orientation and Mechanical Properties of Laser-Induced Photothermally Drawn Fibers Composed of Multiwalled Carbon Nanotubes and Poly(ethylene terephthalate)
Jin Wuk Hur, Hye Jin Yoo, Jae Whan Cho, Kyoung Hou Kim
Journal of Polymer Science : Polymer Physics, 54(5), 603–609, 2016

Fabrication of Hollowed Polytrimethylene Terephthalate Fiber by Carbon Dioxide Laser Irradiation
Young-Ah Kang, Yutaka Ohkoshi, Kyoung-Hou Kim
Polymer-Plastics Technology and Engineering, 55(6), 553–558, 2016

Structure and Mechanical Properties of Multi-Hollowed Fibers Produced by CO2 Laser Irradiated Neck Drawing
Young-Ah Kang, Xin Zhao, Yutaka Ohkoshi, Kyoung Hou Kim
POLYMER ENGINEERING AND SCIENCE, 56(6), 609–616, 2016

Fiber structure development in PS/PET sea-island conjugated fiber during continuous laser drawing
K. Sugawara, T. Ikaga, K.H. Kim, Y. Ohkoshi, K. Okada, H. Masunaga,T. Kanaya, M. Masuda, Y. Maeda
Polymer, 79, 37-46, 2015

シンジオタクチックポリスチレン繊維のレーザー加熱延伸
姫野達也, 伊香賀敏文, 大越豊, 金慶孝, 田島武治, 山口秀明
Sen-i Gakkaishi, 71(10), 310-316, 2015

繊維の構造形成と力学物性
金 慶孝, 大越 豊
繊維学会誌, 70(9), 366-372, 2014

Structure and Mechanical Properties of Poly(trimethylene terephthalate) Fibers Obtained by CO2 Laser Drawing and a Secondary Contact Heater Drawing
Young-Ah Kang, Kyoung-Hou Kim, Xin Zhao, Yang Hun Lee, Toshifumi Ikaga, Yutaka Ohkoshi
Sen-i Gakkaishi, 69(6), 107-117, 30 Jun. 2013

In situ study of fiber structure development of poly(butylene terephthalate) in a continuous laser-heated drawing process
Kim, KH; Kang, YA; Yokoyama, A; Ikaga, T; Ohkoshi, Y; Wataoka, I; Urakawa, H
POLYMER JOURNAL, 44(10), 1030-1035, Oct. 2012

Effect of drawing stress on mesophase structure formation of poly(ethylene 2,6-naphthalene dicarboxylate) fiber just after the neck-drawing point
Kim, KH; Aida, R; Kang, YA; Ikaga, T; Ohkoshi, Y; Wataoka, I; Urakawa, H
Polymer, 53(19), 4272-4279, Aug. 2012

Effects of carbon nanotube functionalization and annealing on crystallization　and　mechanical properties of melt-spun carbon　nanotubes/poly(ethylene terephthalate) fibers
Hye Jin Yoo, Kyoung Hou Kim, Santosh Kumar Yadav, Jae Whan Cho
Composites Science and Technology, 72(15), 1834-1840, 2012

In-situ analysis of fiber structure development for isotactic polypropylene
Kang, YA; Kim, KH; Ikehata, S; Ohkoshi, Y; Gotoh, Y; Nagura, M; Urakawa, H
Polymer, 52(9), 2044-2050, Apr. 2011

Microsecond Analysis of Quasi-Smectic Fibrillar Structure in the Continuous Fiber Drawing of Poly(ethylene terephthalate)
Kyoung-Hou Kim, Takahisa Murata, Young-Ah Kang, Yutaka Ohkoshi, Yasuo Gotoh, Masanobu Nagura, Hiroshi Urakawa
Macromolecules, 44(18), 7378-7384, 2011

Development of a fiber structure in poly(vinylidene fluoride) by a CO(2) laser-heated drawing process
Kang, YA; Kim, KH; Ikehata, S; Ohkoshi, Y; Gotoh, Y; Nagura, M; Koide, M; Urakawa, H
POLYMER JOURNAL, 42(8), 657-662, Aug. 2010

Initial structure development in the CO2 laser-heated drawing of poly(trimethylene terephthalate) fiber
Kyoung-Hou Kim, Young-Ah Kang, Takahisa Murata, Soichiro Ikehata, Yutaka Ohkoshi, Yasuo Gotoh, Masanobu Nagura, Mitsuharu Koide, Hiroshi Urakawa, Masaru Kodera
Polymer, 49, 2009

Mesophase structure discovered in several milliseconds after neck-drawing of Poly(ethylene 2,6-naphtalene dicarboxylate) Fiber
Kyoung-Hou Kim, Ryo Aida, Young-Ah Kang, Yutaka Ohkoshi, Yasuo Gotoh, Masanobu Nagura, Hiroshi Urakawa
Polymer, 50(19), 4429-4431, 2009

Molecular Weight Dependence of Fiber Structure Development in the Laser Drawing of Poly(ethylene terephthalate) Fibers
Kyoung Hou Kim, Takayoshi Yamaguchi, Yutaka Ohkoshi, Yasuo Gotoh, Masanobu Nagura, Hiroshi Urakawa, Masaru Kodera, Takeshi Kikutani
Journal of Polymer Science: Part B: Polymer Physics, 47, 1653-1665, 2009

プラスチック成形加工の最近の研究動向(II) -紡糸・フィルム成形
金慶孝, 大越豊
プラスチック成形加工, 21, 376-380, 2009

Initial Stage of Fiber Structure Development in the Continuous Drawing of Poly(ethylene terephthalate)
Takayoshi Yamaguchi, Kyoung-Hou Kim, Takahisa Murata, Mitsuharu Koide, Shuuji Hitoosa, Hiroshi Urakawa, Yutaka Ohkoshi, Yasuo Gotoh, Masanobu Nagura, Masaru Kotera, Kanji Kajiwara
Journal of Polymer Science: Part B: Polymer Physics, 46, 2126-2142, 2008

Fiber Structure Development in High-Speed Melt Spinning of Poly(trimethylene terephthalate) (Ⅰ) - On-line Measurement of Birefringence-
Kyoung Hou Kim, Hyun Hok Cho, Hiroshi Ito, Takeshi Kikutani
Journal of Polymer Science: Part B: Polymer Physics, 46, 847-856, 2008

プラスチック成形加工の最近の研究動向(I) -紡糸・フィルム成形
金慶孝, 大越豊
プラスチック成形加工, 20, 395-399, 2008

Effect of Vibration on Drawing and Annealing of High-Speed Spun Poly(trimethylene terephthalate) Fiber
Kyoung Hou Kim, Yang Hun Lee, Hyun Hok Cho, Takeshi Kikutani
e-Polymers, 023, 1-14, 2007

Effect of Low-Temperature Annealing on Dimensional Stability of Poly(ethylene 2,6-naphthalene dicarboxylate)Fibers Melt-Spun at High Speed
Young Ah Kang, Kyoung Hou Kim, Hyun Hok Cho, Takeshi Kikutani
Journal of Applied Polymer Science, 95, 212-218, 2005

Fine structure formation and physical properties of poly(butylene terephthalate) fibers in high-speed melt spinning
Sun Hee Lee, Kyoung Hou Kim, Takeshi Kikutani, Hyun Hok Cho
e-Polymers, 027, 1-12, 2003

Structural development of poly(ethylene 2,6-naphthalene dicarboxylate) film upon solvent drawing
Young Ah Kang, Kyoung Hou Kim, Yang Hun Lee, Jang Oo Lee, Hyun Hok Cho
Journal of Applied Polymer Science, 88, 1357-1365, 2003

Fine structure and physical properties of polyethylene/ poly(ethylene terephthalate) bicomponent fibers in high-speed spinning. II. Poly(ethylene terephthalate) sheath/polyethylene core fibers
H. H. Cho, K. H. Kim, Y. A. Kang, H. Ito, T. Kikutani
Journal of Applied Polymer Science, 77, 2267-2277, 2000

Fine structure and physical properties of polyethylene/ poly(ethylene terephthalate) bicomponent fibers in high-speed spinning. I. Polyethylene sheath/ poly(ethylene terephthalate) core fibers
H. H. Cho, K. H. Kim, Y. A. Kang, H. Ito, T. Kikutani
Journal of Applied Polymer Science, 77, 2254-2266, 2000

Fine-structure and physical properties of polyethylene fibers in high-speed spinning. II. Effect of catalyst systems in linear low-density polyethylene
H. H. Cho, K. H. Kim, H. Ito, T. Kikutani
Journal of Applied Polymer Science, 77, 1195-1206, 2000

Fine-structure and physical properties of polyethylene fibers in high-speed spinning. I. Effect of melt-flow rate in the high-density polyethylene
H. H. Cho, K. H. Kim, H. Ito, T. Kikutani
Journal of Applied Polymer Science, 77, 1182-1194, 2000

Effect of processing conditions on internal structure of nonwoven fabrics
KyoungHou Kim
The 16th Asian Textile Conference, 29 Jul. 2023

Effect of annealing on the structure and properties of nonwoven fabrics produced by Polypropylene / Poly(ethylene terephthalate) bicomponent melt-blowing using different diameter nozzle
Rina Tomita, Akihiro Makimura, Kosuke Sugawara, Toshifumi Ikaga, Ren Tomisawa, KyoungHou Kim and Yutaka Ohkoshi
The 49th Textile Research Symposium, 09 Oct. 2022

Structure evaluation of the both sides needle-punched nonwoven fabric with using tracer fiber visualized by X-ray CT
Sakika NAKMURA, Ryo WAKAMATSU, Ren TOMISAWA, KyoungHou KIM and Yutaka OHKOSHI
The 49th Textile Research Symposium, 09 Oct. 2022

Effects of additives on the tensile and knot-pull strength of polypropylene fibers
Tatsuma Kunimitsu, Chisa Ikeda, Shuntaro Oshima, Toshifumi Ikaga, KyoungHou Kim, Yutaka Ohkoshi, Masayuki Takata, Tomoyoshi Yamashita
15th Asian Textile Conference, 26 Sep. 2019

Structure change of needle punched non-woven fabrics applied tensile deformation analyzed by the X-ray CT
Yohei HASEGAWA, Hibiki TONOSAKI, Kyoung Hou KIM, Yutaka OHKOSHI
15th Asian Textile Conference, 26 Sep. 2019

Physical properties of non-woven fabrics prepared by PP/PET mixed melt blowing
Koki IMANARI, Ryoko SUGITA, KyoungHou KIM, Yutaka OHKOSHI
15th Asian Textile Conference, 26 Sep. 2019

Effects of molecular weight distribution and stereoregularity on the properties and structure of Isotactic Polypropylene fiber
Tatsuma Kunimitsu, Kai Toyoda, Toshifumi Ikaga, KyoungHou Kim, Yutaka Ohkoshi, Katsuhiko Koike
ATC-14, 2017

Dimensions and stability of smectic phase formed on the structure development of poly(ethylene terephthalate) fiber
Yutaka Ohkoshi, KyoungHou Kim, Ren Tomisawa, Shun Oneda, Toshifumi Ikaga, Masato Masuda, Yuhei Maeda, Kazuyuki Okada, Hiroyasu Masunaga, Toshiji Kanaya
ATC-14, 2017

Structural change with the tensile strain of the needle-punched non-woven fabrics analyzed by X-ray micro-computed tomography
KyoungHou Kim, Kengo Nakasone, Yujiro Isii, Tatsuya Isikawa, Yutaka Ohkoshi
ATC-14, 2017

Effects of spinning conditions on the structure development and properties of poly(ethylene terephthalate) fiber
Yutaka Ohkoshi, KyoungHou Kim, Ren Tomisawa, Toshifumi Ikaga, Masato Masuda, Kazuyuki Okada, Hiroyasu Masunaga, Toshiji Kanaya
ATC-14, 2017

Structure analysis of needle-punched nonwoven fabric by X-ray computed tomography: Effect of needling on the structure and properties
Tatsuya Ishikawa, Yujiro Isi, Kengo Nakasone, KyoungHou Kim, Yutaka Ohkoshi
ATC-14, 2017

Studies on the application of the bicomponent fibers andanalysis of fiber structure formation process for bicomponent spinning

Preparation of needle punching and meltblown non-woven fabric and structural analysis by XCT

Production of low-density fiber

The high-strength fiber by microstructure control of the fibers in the laser drawing

Multi-hollow filament and a manufacturing method thereof and product using the same, 10-12986530000, 10-2012-0050072, Patent right
Young-Ah Kang, Kyoung-Hou Kim, Yutaka Ohkoshi

11 Dec. 2015 - 25 Dec. 2015
信州大学教員海外派遣支援事業, KunKuk University, Korea