| 2025 | HCI | An Investigation into the Use of LLM-Based Features for Multimodal Estimation of Elderly Engagement in Active Listening. | Hung-Hsuan Huang, Koichi Takahashi |
| 2023 | ICIP | Imbalance-Aware Adaptive Margin Loss for Fair Multi-Label Face Attribute Recognition. | Masashi Usami, Koichi Takahashi, Akihiro Hayasaka |
| 2023 | WACV | Segmentation-free Direct Iris Localization Networks. | Takahiro Toizumi, Koichi Takahashi, Masato Tsukada |
| 2017 | IECON | Transporting and rotating control of a jib crane by control moment gyro. | Nariyuki Kodani, Shigeto Ouchi, Koichi Takahashi |
| 2016 | ICONIP | BriCA: A Modular Software Platform for Whole Brain Architecture. | Kotone Itaya, Koichi Takahashi, Masayoshi Nakamura, Moriyoshi Koizumi, Naoya Arakawa, Masaru Tomita, Hiroshi Yamakawa |
| 2013 | RO-MAN | Head pose tracking system using a mobile device. | Koichi Takahashi, Yasue Mitsukura |
| 2012 | RO-MAN | Eye blink detection using monocular system and its applications. | Koichi Takahashi, Yasue Mitsukura |
| 2008 | AiML | A decision procedure for alternation-free modal -calculi. | Yoshinori Tanabe, Koichi Takahashi, Masami Hagiya |
| 2008 | ICSEA | Incremental Verification of Large ScaleWorkflows Based on Extended Correctness. | Osamu Takaki, Izumi Takeuti, Takahiro Seino, Noriaki Izumi, Koichi Takahashi |
| 2007 | ICSEA | Verification Algorithm of Evidence Life Cycles in Extended UML Activity Diagrams. | Osamu Takaki, Takahiro Seino, Izumi Takeuti, Noriaki Izumi, Koichi Takahashi |
| 2005 | KES | Development of Judging Method of Understanding Level in Web Learning. | Yoshinori Adachi, Koichi Takahashi, Masahiro Ozaki, Yuji Iwahori |
| 2005 | TABLEAUX | A Decision Procedure for the Alternation-Free Two-Way Modal -Calculus. | Yoshinori Tanabe, Koichi Takahashi, Mitsuharu Yamamoto, Akihiko Tozawa, Masami Hagiya |
| 2004 | FLOPS | Analysis of Synchronous and Asynchronous Cellular Automata Using Abstraction by Temporal Logic. | Masami Hagiya, Koichi Takahashi, Mitsuharu Yamamoto, Takahiro Sato |
| 2004 | KES | Emergence of Product Value from On-line Communications. | Koichi Takahashi, Yukio Ohsawa, Naohiro Matsumura |
| 2000 | APLAS | Abstraction of Link Structures by Regular Expressions and Abstract Model Checking of Concurrent Garbage Collection. | Koichi Takahashi, Masami Hagiya |
| 2000 | DIS | Discovery and Deduction. | Masami Hagiya, Koichi Takahashi |
| 2000 | RECOMB | The E-CELL project: towards integrative simulation of cellular processes. | Masaru Tomita, Kenta Hashimoto, Koichi Takahashi, Yuri Matsuzaki, Ryo Matsushima, Katsuyuki Yugi, Fumihiko Miyoshi, Hisako Nakano, Yusuke Saito, Tom Shimizu, Yoichi Nakayama |
| 1990 | FORTE | A LOTOS Simulator in OBJ. | Kazuhito Ohmaki, Koichi Takahashi, Kokichi Futatsugi |