| 2005 | ICCE | Design and Implementation of Spoken Dialogue Based Multiplication Table Learning Support System. | Yasuhisa Okazaki, Hiroyuki Egashira, Kenzi Watanabe, Hiroki Kondo |
| 2002 | ICCE | Remote Lecture Based on Instruction with Blackboard Using High-Quality Media Systems. | Toshihiro Hayashi, Kenzi Watanabe, Yukuo Hayashida, Hiroki Kondo |
| 2002 | ICCE | A Java Based On-line Handwriting Interface for an Intelligent Algebraic Calculation Tutoring System. | Yasuhisa Okazaki, Xiang Yang Feng, Masayoshi Okamoto, Hiroki Kondo |
| 2002 | ICCE | An Implementation of a Remote Blackboard Presenter System for Remote Lessons in Conventional Blackboard Based Style with Rich Media Environment. | Kenzi Watanabe, Norihiko Sumi, Toyonori Aimori, Makoto Otani, Hisaharu Tanaka, Yasuhisa Okazaki, Toshihiro Hayashi, Hiroki Kondo |
| 1999 | HCI | FRONTIER: An Application of A Pen Based Interface to An ITS For Guiding Fraction Calculation. | Kenzi Watanabe, Teisuke Yamaguchi, Hiroyuki Egashira, Joe Ito, Yasuhisa Okazaki, Hiroki Kondo, Masayoshi Okamoto, Takatoshi Yoshikawa |