Graduating School 【 display / non-display

  • Graduating School:The University of Tokyo
    Faculty:Faculty of Science

    Kind of school:University
    Date of graduation:1979.03
    Completion status:Graduated
    Country location code:JAPAN

Graduate School 【 display / non-display

  • Graduate school:The University of Tokyo
    Graduate course:Graduate School, Division of Science

    Course completed:Doctor's Course
    Date of completion:1985.03
    Completion status:Completed
    Country location code:JAPAN

External Career 【 display / non-display

  • Name of affiliation:IBM Research
    Department of affiliation:Tokyo Research Laboratory
    Career:Chief Researcher
    Periods of career:1986.12 - 1999.08

  • Name of affiliation:IBM T. J. Watson Research Laboratory
    Career:Research Staff Member
    Periods of career:1992.04 - 1993.03

  • Name of affiliation:
    Periods of career:1999.09 - 2019.03

  • Name of affiliation:
    Periods of career:2014.04 - 2018.03

  • Name of affiliation:
    Career:Professor Emeritus
    Periods of career:2019.04 -

Field of expertise (Grants-in-aid for Scientific Research classification) 【 display / non-display

  • Field of expertise (Grants-in-aid for Scientific Research classification):Theory of informatics


Papers 【 display / non-display

  • Written language: English
    Title of paper: Colored spanning graphs for set visualization
    Publication title: Computational Geometry Theory and Applications
    Date of issue: 2018
    Name of author(s): Ferran Hurtado, Matias Korman, Marc J. van Kreveld, Maarten Löffler, Vera Sacristán, Akiyoshi Shioura, Rodrigo I. Silveira, Bettina Speckmann, Takeshi Tokuyama:

    DOI: 10.1016/j.comgeo.2017.06.006
    Type of publication: Research paper (scientific journal)
    Co-author classification: Single Work

Academic Awards Received 【 display / non-display

  • Prize: IBM Japan Science Award
    Date of award received:2001.10
    Country awarded:JAPAN
    Classification of award received:International Academic Awards

Grant-in-Aid for Scientific Research 【 display / non-display

  • Research item:Grant-in-Aid for Scientific Research(B)
    Research activities period:2020.04 - 2025.03