J-GLOBAL         Last updated: Oct 1, 2019 at 15:39
Ibaraki National College of Technology
Department of Electrical Engineering
Job title
Associate Professor
Master of Engineering(Tohoku University), (BLANK)(Niigata University)
Research funding number

Research Areas



Graduate School, Division of Engineering, Tohoku University
Faculty of Science, Niigata University

Published Papers

The role of an applied electric field in protein crystallization at low temperature
M. Ogata, D. Aoki, M. Suzuki, D. Tanaka, and T. Wakamatsu
Japanese Journal of Applied Physics      Nov 2019   [Refereed]
Effects of salts on pre-crystalline lysozyme aggregation characterized by forward static light scattering
T. Wakamatsu
Transactions of the Materials Research Society of Japan   44(3) 115-118   Jun 2019   [Refereed]
T. Wakamatsu, T. Onoda and M. Ogata
Japanese Journal of Applied Physics   57(5) 058003-1-3   May 2018   [Refereed]
Anno Ide, Takashi Wakamatsu, Ikuo Ihara, Moriyasu Kanari
Molecular Crystals and Liquid Crystals   653(1) 248-253   Aug 2017   [Refereed]
© 2017 Taylor & Francis Group, LLC. Mechanical properties including elastic modulus and hardness are sensitive to spacial gaps among grains in polycrystalline organic semiconducting films. Densification behavior of copper phthalocyanine films is...
Takashi Wakamatsu, Ryushi Fujimura, Kotaro Kajikawa
Applied Optics   56(3) 482-486   Jan 2017   [Refereed]
Takashi Wakamatsu
Transactions of the Materials Research Society of Japan   41(1) 13-15   Mar 2016   [Refereed]
Takashi Wakamatsu
Molecular Crystals and Liquid Crystals   622 140-144   Dec 2015   [Refereed]
金成守康, 寺田有汰, 長野陽平, 若松孝, 井原郁夫
材料試験技術   60(2) 84-88   Apr 2015
Takashi Wakamatsu
Review of Scientific Instruments   86(1) 015112-1-8   Jan 2015   [Refereed]
M. Kanari, Y. Terada, Y. Kumagai, F. Suganuma, I. Ihara, and T. Wakamatsu
Organic Electronics   16 126-132   Jan 2015   [Refereed]


若松孝, 豊島晋, 斉藤和裕
電子情報通信学会技術研究報告   104(394(OME2004 84-91)) 25-30   Oct 2004
山形定子, 若松孝, 斉藤和裕
電子情報通信学会技術研究報告   104(394(OME2004 84-91)) 19-24   Oct 2004
青木克仁, 若松孝
茨城工業高等専門学校研究い報   (44) 41-46   Mar 2009
青木克仁, 豊島晋, 若松孝
電子情報通信学会技術研究報告   109(284(OPE2009 148-160)) 13-17   Nov 2009
高安基大, 青木克仁, 丸山智章, 若松孝
茨城工業高等専門学校研究い報   (46) 45-50   Mar 2011
ソルト・サイエンス研究財団助成研究報告集 1 理工学 農学・生物学編   2012 131-139   Mar 2014   [Invited]
若松孝, 田中大輔, 千葉薫, 城所俊一
ソルト・サイエンス研究財団助成研究報告集 1 理工学編   2015 241‐249   Mar 2017
Keizo Kato, Keizo Kato, Masaru Hirano, Kazunari Shinbo, Kazunari Shinbo, Futao Kaneko, Futao Kaneko, Takashi Wakamatsu
Materials Research Society 2003 Fall Meeting   796 3-8   Dec 2003
Photoelectric properties have been investigated for the organic dye thin film cells utilizing surface plasmon (SP) excitation. The cells fabricated in this work had a prism/Al thin film/copper phtalocyanine (CuPc) thin film/Ag thin film structure,...
Conversion between Three an Two Dimensional Optical Waves utilizing Surface Plasmon Excitations in Attenuated Total Reflection Kretchmann Configuration
Transactions of Materials Reserch Society of Japan   28 1027-1030   Dec 2003   [Refereed]
K. Shinbo, S. Miyabayashi, K. Kato, F. Kaneko, M. Tanaka, T. Wakamatsu, R. C. Advincula
Proceedings of the IEEE International Conference on Properties and Applications of Dielectric Materials   2 737-740   Oct 2003
Polystyrene submicron and micron sphere films were fabricated and the optical properties were investigated using surface plasmon resonance (SPR) and reverse irradiation utilizing the SPR Kretschmann configuration. BK-7 (n=1.515) and S-TIH53 (n=1.8...

Books etc

Optical Analysis of Protein Aggregation and Crystallization and the Crystallization Promotion
WAKAMATSU Takashi, OGATA Makoto, and TANAKA Daishuke (Part:Joint Work)
Apr 2018   

Conference Activities & Talks

尾形慎, 小野田崇司, 若松孝, 若松孝
日本農芸化学会大会講演要旨集(Web)   5 Mar 2019   
Effect of applied AC electric field with low frequency and low intensity on the size and the amount of generated HEWL crystals
S. Obata, R. Hijiya, H. Shimoyama, T. Wakamatsu, M. Ogata and D. Tanaka
International Symposium on Innovative Engineering 2019 (ISIE2019)   5 Mar 2019   
Development of apparatus for measuring small-particle scattering light under total-reflection-evanescent fields in droplet
T. Wakamatsu,T.Disuke and M. Ogata
28th Annual Meeting of MRS-Japan 2018   20 Dec 2018   
Dependence on the conditions of applied AC electric field to size and number of generated lysozyme crystals
D.Tanaka, R.Hijiya, S.Obata, H.Shimoyama, M.Ogata, and T.Wakamatsu
28th Annual Meeting of MRS-Japan 2018   18 Dec 2018   
泥谷亮太, 田中大輔, 尾形慎, 若松孝, 若松孝
応用物理学会九州支部学術講演会講演予稿集(Web)   8 Dec 2018   
青木大地, 鈴木萌花, 田中大輔, 尾形慎, 若松孝
日本蛋白質科学会年会プログラム・要旨集   23 May 2018   
泥谷亮太, 田中大輔, 尾形慎, 若松孝
日本蛋白質科学会年会プログラム・要旨集   23 May 2018   
青木大地, 鈴木萌花, 田中大輔, 尾形慎, 若松孝
応用物理学会春季学術講演会講演予稿集(CD-ROM)   5 Mar 2018   
Effects of Salts on Lysozyme Pre-Crystalline Aggregation Evaluated by Forward Light Scattering Method
6 Dec 2017   
Mechanical Properties Improvement of PMMA Thin Films Densified by Cold Isostatic Press Process
5 Dec 2017   


Method and device for improved photoelectric conversion
Study on Mesoscopic Optical Response
1998 - 1999

Research Grants & Projects

Development of high conversion organic photoelectric Cells by Surface modes
Surface Plasmon Resonance Sensor
Study on Nonequilibrium System
Study on Near-Field Optics
Study on Organic Ultrathin Films


特許US8945303B2 : Device for Crystallizing Biopolymer, Cell of Solution for Crystallizing Biopolymer, Method for Controlling Alignment of Biopolymer, Method for Crystallizing Biopolymer and Biopolymer Crystal
Takashi Wakamatsu and Yuuki Ohnishi
"Method and device for improved Photoelectric conversion
U.S.Patent, No. 5685919

Social Contribution

Real-time Analysis of protein aggregation
[Lecturer, Informant]  JASIS 2019  4 Sep 2019 - 6 Sep 2019


Mar 2019   Best Presentation Award
S. Obata, R. Hijiya, H. Shimoyama, T. Wakamatsu, M. Ogata and D. Tanaka, International Symposium on Innovative Engineering 2019 (ISIE2019),"Effect of applied AC electric field with low frequency and low intensity on the size and the amount of generated HEWL crystals")
Dec 2017   Best Poster Award