Yamagata University
Graduate School of Science and Engineering / Faculty of Engineering
-Polymer Precision Processing Lab. / Ito , Takayama Lab.-
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About Hiroshi Ito

Name: Hiroshi ITO,Dr. Eng.
Affiliation: Professor
Department of Polymer Science and Engineering,
Graduate School of Science and Engineering, Yamagata University
Address: 4-3-16 Jonan, Yonezawa, Yamagata 992-8510, JAPAN
E-mail: ihiroshi@yz.yamagata-u.ac.jp
Phone: +81-238-26-3081, Fax: +81-238-26-3081
Current research interests:
Micro-and Nano-Molding
Structure and Properties Relationship in Polymer Processing
Fiber Spinning and Film Drawing, Micro-/Nano-Composites

Hiroshi Ito had graduated from department of polymeric materials and engineering at Yamagata University. He researched about the functional polymeric material and its application under the direction of Prof. Kiyohito Koyama, and he received his master's degree of engineering at Yamagata University, 1990. After the graduation, he joined Oki Electric Industry Co., Ltd. and he researched about the metallic, inorganic, and organic materials for application to Thin Film Transistor-LC Display. In 1993, he became an assistant professor of Tsuruoka National College of Technology, and he took a doctor of engineering at Yamagata University in 1996. In this year, he became an assistant professor of Tokyo Institute of Technology and is co-worker for Prof. Takeshi Kikutani. In 2007, he became an associate professor of Yamagata University, and has organized Polymer Precision Processing laboratory with 22 students for doctors, masters and bachelor course students. In 2010, he became a full professor of Yamagata University. He is now board members in Japan Society of Polymer Processing (JSPP) and Society Plastics Engineers (SPE), Japan Section.

Research Work:
His major field of research is to clarify and control the development of high-order structure in polymeric materials through experimental and theoretical studies on the polymer processing. His research projects cover various types of polymer processing. Particularly, he has been concentrating his effort on exploring the mechanism of crystallization in the injection molding process, in which crystallization occurs under high pressure, high shear stress, and rapid cooling. His model on crystallization process incorporating the effects of pressure and shear flow is simple and it was applied to commercial CAE software. These efforts concerning the structure development in injection molding process were published as several papers and reports, and he received the outstanding paper award of JSPP in 1995 and 1996. He also presented a keynote lecture (PPS, Europe/Africa regional meeting, 1997) and was a session organizer and a session chair in PPS meetings (PPS-15 (1999) and PPS-Asia/Australia regional meeting, 2002). He is also conducting researches on fiber spinning, uni- and bi-axial drawing of fibers and films, structural analysis of polymer products, and micro-mechanics of fiber reinforced polymers. Particularly, his most research interest is on the analysis of structure development in fiber and film drawing process via on-line monitoring and birefringence measurement technique. These efforts concerning the fiber spinning process and film drawing were also published in several papers and reports and he was also a keynote lecturer in the recent PPS meeting (PPS-18, 2002). More recently, his most research interest is micro-injection molding, hot-embossing, nano-imprint technology and nano-molding. He also analyzes surface/optical properties and structure development in these novel precision processes. These efforts concerning the micro-and nano-molding were also published in several papers and he was also a keynote lecturer in the recent PPS meeting (PPS-23, 2007). He acted a session organizer in several PPS meetings (PPS-22 (2006), PPS-23 (2007), PPS-24 (2008) and PPS-26 (2010)). He has published more than 80 scientific articles and presented more than 20 invited lectures at the major conferences and the companies as one of the authors mainly on the relation among structure and properties of polymer during polymer processing. He performed group research at several companies, and he also received many grant-in aid from the Ministry of Education, Culture, Sports, Science and Technology, etc.

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