April 1982: Entered Saitama Prefectural Urawa High School
March 1985: Graduated from Saitama Prefectural Urawa High School
April 1986: Entered Tokyo Institute of Technology, Group 5
March 1990: Graduated from the Department of Computer Science, Faculty of Engineering, Tokyo Institute of Technology
April 1990: Entered the Master's Program in Electrical and Electronic Engineering, Graduate School of Science and Engineering, Tokyo Institute of Technology
March 1992: Completed the Master's Program in Electrical and Electronic Engineering, Graduate School of Science and Engineering, Tokyo Institute of Technology
April 2009: Entered the Doctoral Program in Computational Science and Engineering, Graduate School of Information Science and Engineering, Tokyo Institute of Technology
March 2012: Completed the Doctoral Program in Computational Science and Engineering, Graduate School of Information Science and Engineering, Tokyo Institute of Technology, Doctor of Engineering
Dissertation: Research on Requirements Elicitation Support Using Stakeholder Analysis and Goal Graph Quality
Employment
April 1992 - March 2021: Fujitsu Laboratories Ltd. (Researcher, Staff Researcher, and Senior Researcher)
July 1996 - July 1998: Research Engineer, Architecture Projects Management Limited (APM), UK (ANSA Project, seconded from Fujitsu)
July 2005 - July 2007: Participated in a collaborative project with PARC, USA
April 2021 - July 2026: Senior Researcher, Fujitsu Limited
July 2021 - March 2025: Designated Research Specialist (特定集中研究専門員), National Institute of Advanced Industrial Science and Technology (AIST)
July 2025 - March 2026: Designated Research Specialist (特定集中研究専門員), Artificial Intelligence Research Center, National Institute of Advanced Industrial Science and Technology (AIST)
August 2026 - present: Invited Researcher (招聘研究員), Artificial Intelligence Research Center, National Institute of Advanced Industrial Science and Technology (AIST)
Information Processing Society of Japan, since April 1992
ACM, since February 2002
Artificial Intelligence Society of Japan
Teaching
July 2006: Part-time lecturer, School of Human and Scientific Systems, Waseda University; course: Knowledge Sharing in Enterprises
2012-2014: Part-time lecturer, Graduate School of Systems and Information Engineering, University of Tsukuba; course: Special Lectures in Computer Science I
2015: Technical advisor, FUJITSU Family Association LS Study Group
2016: Open data lectures for local government staff in Tama, Namegata, and Hachioji
2020-present: Part-time lecturer, Graduate School of Systems and Information Engineering, University of Tsukuba; course: Information Literacy (Practical Exercises)
2022-present: Part-time lecturer, Graduate School of Aoyama Gakuin University
2023-present: Advanced Data Science, Graduate School of Aoyama Gakuin University
2023-present: Part-time lecturer, Graduate School of Tohoku University
June 2023: FY2022 Research Group Excellence Award, Artificial Intelligence Society of Japan Awarded paper: Analysis of Metadata Representation Models in Event-centric Knowledge Graph Embeddings
November 2022: Excellent Presentation Award, Annual Conference of the Artificial Intelligence Society of Japan Awarded paper: A Study of Knowledge Graph Construction Guidelines for Explanation Generation: The Knowledge Graph Reasoning Challenge as an Example
2020: Best Tool Award, Knowledge Graph Reasoning Challenge, Artificial Intelligence Society of Japan
2018: Best Resource Award, Knowledge Graph Reasoning Challenge, Artificial Intelligence Society of Japan
2018: Excellent Award, Knowledge Graph Reasoning Challenge, Artificial Intelligence Society of Japan
2017: SoftBank Technology Award, RESAS App Contest hosted by the Cabinet Office
2017: Special Jury Award, LODChallenge 2016
2011: Excellent Presentation Award, IPSJ Groupware and Network Services Research Group
2009: Yamashita Memorial Research Award, IPSJ
2008: Excellent Presentation Award, IPSJ Groupware and Network Services Research Group
2001: Excellent Award, Annual Conference of the Artificial Intelligence Society of Japan Awarded paper: Web Link Analysis for a Domain-Specific Web Directory