| 2021 | ISKE | Estimating Learner's Perspective in Programming: Analysis of Operation Time Series in Code Puzzles. | Hiroki Ito, Hiromitsu Shimakawa, Fumiko Harada |
| 2020 | FedCSIS | Comprehension analysis considering programming thinking ability using code puzzle. | Hiroki Ito, Hiromitsu Shimakawa, Fumiko Harada |
| 2020 | FedCSIS | Advanced Comprehension Analysis Using Code Puzzle - Considering the Programming Thinking Ability. | Hiroki Ito, Hiromitsu Shimakawa, Fumiko Harada |
| 2020 | VTC | Post-Reception Compensation Performance of Blind Nonlinear Compensator with Equalizer against Memory Nonlinear Distortion. | Hiroki Ito, Takeo Fujii, Yasushi Yamao |
| 2019 | IGARSS | Detection of 3D Land Displacement After the Great East Japan Earthquake In 2011 From Multi-Temporal SAR Images And GPS Data. | Junichi Susaki, Hiroki Ito, Takuma Anahara |
| 2012 | DSD | Efficient DPA-Resistance Verification Method with Smaller Number of Power Traces on AES Cryptographic Circuit. | Hiroki Ito, Mitsuru Shiozaki, Anh-Tuan Hoang, Takeshi Fujino |
| 2010 | TEI | Inoribi: emergence of "windows" and "mirrors". | Tatsuma Segawa, Hiroki Ito, Masaya Doi, Machi Miyahara, Hiroya Tanaka |
| 2006 | IROS | Online Rescheduling in Semiconductor Manufacturing. | Mingang Cheng, Masao Sugi, Jun Ota, Masashi Yamamoto, Hiroki Ito, Kazuyoshi Inoue |
| 2005 | IROS | Online job shop rescheduling with reaction-diffusion equation on a graph. | Mingang Cheng, Masao Sugi, Jun Ota, Masashi Yamamoto, Hiroki Ito, Kazuyoshi Inoue |
| 2003 | SIGGRAPH | World-wide gallery for pseudo-3D photo collage. | Hiroya Tanaka, Shohei Matsukawa, Akira Wakita, Kaoru Misaki, Tomoyoshi Saito, Hiroki Ito |