| 2025 | CogSci | Method for Quantification of the Process of Collaborative Creativity: Visualization of the Dynamics by C2RQA. | Daichi Shimizu, Takeshi Okada |
| 2024 | CogSci | Exploring the Dynamics of Dyadic Communication and Performance in Acting Training. | Jingyan Sun, Takeshi Okada |
| 2022 | CogSci | Dynamics of Interaction with the Environment in Creativity: Embodied Imagination Framework. | Daichi Shimizu, Takeshi Okada |
| 2022 | CogSci | Interaction in Acting Training and its Manifestations in Novices and Actors. | Jingyan Sun, Takeshi Okada |
| 2021 | CogSci | Emotion Expression Captured by Utterances in Acting and Underpinning Internal Changes in Actors. | Jingyan Sun, Takeshi Okada |
| 2019 | CogSci | How does art appreciation promote artistic inspiration? | Chiaki Ishiguro, Takeshi Okada |
| 2019 | CogSci | Relationship Between Creative Experience, Recognition of Creative Process and Aesthetic Impression in Art-Viewing. | Kazuki Matsumoto, Takeshi Okada |
| 2019 | CogSci | The Cognitive Process of Reinterpreting Non-art Objects in an Art Context. | Koto Minami, Daichi Shimizu, Takeshi Okada |
| 2019 | CogSci | Interaction between Idea-generation and Idea-externalization Processes in Artistic Creation: Study of an Expert Breakdancer. | Daichi Shimizu, Masaya Hirashima, Takeshi Okada |
| 2019 | CogSci | A case study of formation of an art concept by a contemporary artist: Analysis of the utilization of drawing in the early phase. | Kikuko Takagi, Takeshi Okada, Sawako Yokochi |
| 2019 | CogSci | The process of art-making: An analysis of artist's modification of conditions in the art-making process. | Sawako Yokochi, Takeshi Okada |
| 2015 | CogSci | The Effects of Art Experience, Competence in Artistic Creation, and Methods of Appreciation on Artistic Inspiration. | Chiaki Ishiguro, Takeshi Okada |
| 2015 | CogSci | Deliberate Practice Revisited: Complexity and Creativity in the Practice Process in Breakdance. | Daichi Shimizu, Takeshi Okada |
| 2015 | CogSci | Formation of an art concept: A case study using quantitative analysis of a contemporary artist's interview data. | Kikuko Takagi, Akihiro Kawase, Sawako Yokochi, Takeshi Okada |
| 2013 | CogSci | How can an art course in photography inspire students' artistic creativity? | Chiaki Ishiguro, Takeshi Okada |
| 2013 | CogSci | Temporal coordination patterns of performer and audience in vaudeville settings. | Ryota Nomura, Takeshi Okada |
| 2013 | CogSci | Physical Skill and Idea Interaction in the Creation of New Dance Movements. | Daichi Shimizu, Takeshi Okada |
| 2013 | CogSci | Formation of an art concept: How is visual information from photography utilized by the artist in concept formation? | Kikuko Takagi, Takeshi Okada, Sawako Yokochi |
| 2012 | CogSci | Emergence of control in artistic expressions and the process of expretise. | Chiaki Ishiguro, Takeshi Okada |
| 2012 | CogSci | Process of Improvisational Contemporary Dance. | Yuko Nakano, Takeshi Okada |
| 2012 | CogSci | Creative Process of Improvised Street Dance. | Daichi Shimizu, Takeshi Okada |
| 1988 | ICCD | Cache-based pipeline architecture in the Hitachi H32/200 32-bit microprocessor. | Tadahiko Nishimukai, Hideo Inayoshi, Kikuko Takagi, Kazuhiko Iwasaki, Ikuya Kawasaki, M. Hanawa, Takeshi Okada |