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The University of Tokyo

梶原研究室

Kajihara group launched on April 1, 2012.
Our group work at the Institute of Industrial Science at the University of Tokyo.
We also belong to the Department of Precision Engineering.

Our main research topics are
・Jointing manufacturing
・THz microscopy

Our group is always open to visitors.
TEL: E-mail: kajihara@@@iis.u-tokyo.ac.jp (please remove 2 of @)


Last updated, Jan. 4, 2021.

REcent topics


Dec. 9, 2020
Our Department and Research Center held a hybrid (off/online) workshop, "Future-Oriented Injection Molding Technologies" and 354 related reseachers joined the event.

Dec. 2. 2020
Wang-kun and Takeuchi-kun gave online presentations at JSPP autumn meeting. Takeuchi-kun won a "Poster Award". Congratulations !

Nov. 27, 2020
Chen-kun, Sakuma-san, Wang-kun, Nakajima-san, and Zhang-kun gave online presentations at 18th International Conference on Precision Engineering (ICPE2020). Sakuma-san won a "Young Researcher Award". Congratulations !

Nov. 2020
Lin-san and Sakuma-san gave a keynote speech and an oral presentation, respectively, at IRMMW-THz 2020 online meeting.

Sep. 25, 2020
Zhao-kun passed the Dr defense and got the doctoral degree. Congratulations!

Sep. 11, 2020
Zhao-kun, Chen-kun, Nakajima-san, Zhang-kun, Takeuchi-kun, Liu-san, and Chang-kun gave presentations at JSPE online meeting, and Lin-san and Sakuma-san gave presentations at JSAP online meeting. Chen-kun won a "Best presentation award". Congratulations!

June 11, 2020
Kimra-san, Zhao-kun, and Sakuma-san gave online presentations at euspen virtual conference.

May 1, 2020
Kato-san and Sato-san joined as project researchers for our Social Cooperation Program.

April 1, 2020
Takemoto-kun and Shinomiya-kun joined our group as master students. Sakuma-san went on to the doctral course.

March 31, 2020
Kadoya-kun, Shi-san, and Liang-san completed their doctor and master courses.

March 23, 2020
Kadoya-kun passed the Dr defense and got the doctoral degree. Congratulations!

March 20, 2020
JSPE and JSAP were canceled due to COVID-19.

Jan. 28, 2020
Takeuchi-kun gave a presentation in Mate 2020 in Yokohama.

Nov. 15, 2019
Kimura-san, Lin-san, Kadoya-kun, Zhao-kun, Sakuma-san, Liang-san, Nakajima-san, and Kajihara participated in Asian Society for Precision Engineering and Nanotechnology (ASPEN) 2019 and gave presentations.

Oct. 30, 2019
Wang-kun and Takeuchi-kun gave presentations in Asian Workshop on Polylmer Processing (AWPP) 2019 in Beijing.

Sep. 29, 2019
We had a camp at Narusawa village in Yamanashi.

Sep. 20, 2019
Chen-kun (Dr course), Liu-san (Master course), and Chang-kun (Master course) have joined our group.

Sep. 13, 2019
Kaneoya-kun and Shi-san completed the graduate school. Congratulations!

Sep. 6, 2019
Kadoya-kun, Zhao-kun, Sakuma-san, Liang-san, Kimura-san, and Kajihara attended JSPE autumn meeting in Hamamatsu. Students gave both oral and poster presentations. Sakuma-san won a corporate crown prize. Congratulations!

Sep. 4, 2019
Zhao-kun, Shi-san, Sakuma-san, and Kajihara participated in ISMTII 2019 in Niigata. Shi-san and Sakuma-san gave oral presentations, and Zhao-kun gave a poster presentation.

July 24, 2019
Sakuma-san's work about spectroscopy system has been published in IEEE journal.
R. Sakuma, et al, IEEE Photonic Technology Letters 31, 15, (2019) 1261-1264.

June 13, 2019
Kadoya-kun, Zhao-kun, Yamaguchi-kun, and Takahashi-kun gave presentations at JSPP spring meeting held at Funabori. Kadoya-kun won the poster prize. Congratulations!

June 7, 2019
Kimura-san and Zhao-kun attended euspen 2019 (Bilbao, Spain) and gave oral and poster presentations, respectivelly.

Apr. 1, 2019
Takeuchi-kun and Nakajima-san joined our group as M1 students. Wang-kun and Zhang-kune went on to the master course. In addition, Tatsuno-san, Owada-san, Takano-san, and Yamazaki-san joined our group.

Mar. 31, 2019
Jason moved to Riken and Suzuki-kun completed the master course.

Feb. 6, 2019
Suzuki-kun and Kaneoya-kun passed the master examination. Wang-kun and Zhang-kun passed the entrance examination. Congratulations!

Oct.1, 2018
Takahashi-kun joined our group as as research student. Also Wang-kun and Zhang-kun joined our group as master course research students.

July 10, 2018
Both Kimura-san and Kadoya-kun won the best presentation awards at JSPE spring meeting. Sakuma-san also won the advanced best presentation award at the same meeting for her previous study at Takahashi group. Congratulations !

July 7, 2018
Paper about home-made tensile tester written by Kadoya-kun was published in Precision Engineering.
S. Kadoya, et al., Prec. Eng., (2018) in press.

2018年7月1日
Paper about radiative thermal noise detection written by Weng-san was published in Nano letters.
Q. Weng et al., Nano. Lett. 18, (2018) 4220-4225.

May 20, 2018
Paper about blast assisted metal-polymer direct joining was published in CIRP Annals.
Y Kajihara et al., CIRP Annals, 67 (2018) 591-594.

May 18, 2018
Kajihara gave an invited talk about blast assisted metal-polymer direct joining at International Conference on Plastics and Rubber Technology (ICPRT 2018,Stockholm, Sweden, May 14-18).

May 8, 2018
Weng-san's work about imaging of hot electrons performed in Shanghai was published in Science. Congraturations !!
Q. Weng, et al., Science, 360 (2018) 775-778.

April 18, 2018年
Kajihara gave an invited talk about THz near-field microscopy at SPIE DCS (Orland, USA, 4/15-19).

April 1, 2018
Sakuma-san joined our group as a new M1 student. Liang-san has become a master student after working as a research student.


Mar. 22, 2018
Lyu-san, Kikuchi-kun, and Yamanaka-kun completed the graduate school. Enami-san went back to his own company after contributing to laser-assisted hybrid joining.