Hironobu Takagi  Hironobu Takagi photo         

contact information

Academy of Technology LogoSenior Manager, Accessibility and Healthcare, IBM Research - Tokyo
Hakozaki, Tokyo, Japan


Professional Associations

Professional Associations:  ACM SIGACCESS


Hiro(Hironobu) Takagi is the senior manager of the Accessibility & Healthcare research team at IBM Research – Tokyo. He joined IBM Research in 1999 and received his Ph.D. in computer science from the University of Tokyo in 2000. He has been investigating Web-accessibility, crowd-sourcing, elderly-care, and real-world accessibility technologies. He is currently leading the indoor navigation project and the collaboration with Carnegie Mellon University for real-world accessibility research. He received best paper awards at ACM ASSETS 2002 and 2009 and won an achievement award from the Japanese Ministry of Education, Culture, Sports, Science and Technology in 2011. He is a member of the IBM Academy of Technology and ACM.

Twitter: hirotakagi

Googole Scholar: https://scholar.google.co.jp/citations?user=NAAdydEAAAAJ



  • Asakawa, C. and Takagi, H. Transcoding. A Chapter In Web Accessibility: A Foundation for Research, Simon Harper and Yeliz Yesilada. pp. 231-261, 2008.
  • Asakawa, C. and Takagi, H. Text Entry for People with Visual Impairments. In TEXT ENTRY SYSTEMS, Scott MacKenzie, I. and Tanaka-Ishii, K., Ed. Morgan Kaufmann. pp. 305-318, 2006.
  • Borodin, Y, Kawanaka, S., Takagi, H., Kobayashi, M., Sato, D., & Asakawa, C. (2010). Social Accessibility. No Code Required: Giving Users Tools to Transform the Web (p. 347). Morgan Kaufmann.
  • Takagi, H. (2011a). Technologies for Full-text Digitization. Modern Library. (in Japanese)
  • Takagi, H. (2011b). Information accessibility during emergencies. ProVision, (70), 60-65. IBM Japan. (in Japanese)