2025年度

The 14th Asia-Pacific International Symposium on the Basics and
Applications of Plasma Technology (APSPT-14)
Dec. 11 - Dec. 14, 2025
National Sun Yat-sen University (NSYSU)
Kaohsiung, Taiwan

・[Relationship Between Hydrogen Gas Response Sensitivity and Nitrogen-Doped
　Diamond-Like Carbon Film Thickness on QCM type Hydrogen Gas Sensors]
　Osuke Uemura, Yasushi Ishiguro, Kazuya Kanasugi and Kenji Hirakuri

・[Effect of Atmospheric Pressure Plasma Treatment Conditions on Direct Bonding
　of Biaxially Oriented Polyethylene Terephthalate Films]
　Takumi Koyama, Ren Sasaki, Satoshi Sugimura, Kei Matsuura, Kenji Hirakuri
　 and Kazuya Kanasugi

2025 Materials Research Society Fall Meeting (MRS)
Nov. 30 - Dec. 5, 2025　Boston, Massachusetts
The Hynes Convention Center

・[Application of graphitic carbon nitride films to hydrogen gas sensor:
　Effect of vacancy defects and layer structure on the sensor characterisitics]
　Yasushi Ishiguro, Osuke Uemura, Taira Nishitani, Kazuya Kanasugi,
　Takashi Tachiki, Kenji Hirakuri

1st Emerging Materials Global Network (EMGN)
1-2 2025 September　Istanbul Technical University

・[Direct Bonding of Biaxially Oriented Polyethylene Terephthalate Films
　with Plasma Surface Modification Using Various Gases]
　Takumi Koyama、Kazuya Kanasugi、Kenji Hirakuri

・[Development of Hydrogen Gas Sensor of Quartz Crystal Microbalance
　Using Diamond-like Carbon]
　Osuke Uemura、Yasushi Ishiguro、Kazuya Kanasugi、Takashi Tachiki、Kenji Hirakuri

・[Evaluation of Antibacterial Properties of Polymer Fibers Coated
　with Fluorine-Doped Diamond-like Carbon Films]
　Yuki Yokoyama、Katsuki Hirose、Yoshikazu Tanaka、Koji Miyake、
　Kazuya Kanasugi、Ali Alanazi、Kenji Hirakuri

2024年度

The 15th Asian Conference on Chemical Sensors (ACCS2024)
17-20 2024 Novenber　Kitakyushu International Conference Center

・[Effects of Element Doping into Graphitic Carbon Nitride Film on
　The Hydrogen Gas Sensor Characteristics]
　Kota Matsuda、Yasushi Ishiguro、Kazuya Kanasugi、Takashi Tachiki、Kenji Hirakuri

・[Hydrogen gas sensor characteristics of nitrogen defects introduced-graphitic
　carbon nitride film]
　Osuke Uemura、Yasushi Ishiguro、Kazuya Kanasugi、Takashi Tachiki、Kenji Hirakuri

The 13th Global Conference on Materials Science and Engineering
(CMSE 2024)
17-20 2024 November　Kampar, Perak, Malaysia

・[Electrical Insulation Property of Amorphous Carbon Films Classified Based
　on Optical Constants]
　Eito Ichijo, Kazuya Kanasugi, Hiratsuka Masanori, Hideki Nakamori, Kenji Hirakuri

・[Antibacterial and Antiviral Properties of Cu-DLC by Using Targets Mixed with
　 Different Cu:C Ratio]
　Kentaro Takizawa, Kazuya Kanasugi, Hiratsuka Masanori, Hideki Nakamori,
　Kenji Hirakuri

・[Evaluation of Carbon Films Produced by Convertible Sputtering and Analysis
　of the Influence of Deposition Conditions Using Machine Learning]
　Katsuki Hirose, Yukitoshi Ezuka, Kazuya Kanasugi, Kenji Hirakuri, Shingo Hirose