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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers who have significant controls over the individuals in focus are always inapplicable. The offspring entities and appointments are those entities that the individuals in focus can influence on.

Clicking the links on parent entities or officers, and offspring entities or managed companies will put them in focus and show upstream or downstream connections. In general, ascendant entities can be found by moving toward upstream, and descendant entities are by toward downstream. In this way, progenitor entities such as grandparent companies (parents of parent), sibling companies (children of parent), partner companies (parents of child), and progeny entities such as grandchild companies (children of child) can be found easily.

Jump to: Offsprings
Parent entities and officers
Inapplicable
parent relation
Individuals in focus

Yokoyama, Ryusuke

    Related profiles found in government register
  • Yokoyama, Ryusuke
    Japanese born in May 1963

    Resident in Japan

    Registered addresses and corresponding companies
    • Osaka Exchange, Inc., 1-8-16 Kitahama, Chuo-ku, Osaka 541-0041, Japan

      IIF 1
  • Yokoyama, Ryusuke
    Japanese director born in May 1963

    Resident in Japan

    Registered addresses and corresponding companies
    • Japan Exchange Group, Inc., 2-1 Nihombashi Kabuto-cho, Chuo-ku, Tokyo 103-8224, Japan

      IIF 2
    • 2-1, Nihombashi Kabuto Cho, Chuo-ku, Tokyo, 103-8224, Japan

      IIF 3
    • Tokyo Stock Exchange, Inc., 2-1 Nihombashi, Chuo0-ku, Tokyo, 103-8220, Japan

      IIF 4
child relation
Offspring entities and appointments 4
  • 1
    JAPAN EXCHANGE GROUP, INC.
    FC032157 OE001274
    2-1 Kabuto-cho Nihombashi, Chuo-ku, Tokyo, 103-8224, Japan
    Active Corporate (15 parents)
    Officer
    2023-06-16 ~ 2025-06-20
    IIF 2 - Director → ME
  • 2
    JAPAN EXCHANGE GROUP, INC.
    OE001274 FC032157
    2-1 Nihombashi Kabuto-cho, Chuo-ku, Tokyo, Japan
    Registered Corporate (8 parents)
    Officer
    Responsible for management of osaka exchange, inc.
    2023-06-16 ~ 2025-06-20
    IIF 3 - Managing Officer → ME
  • 3
    OSAKA EXCHANGE, INC.
    FC032155
    1-8-16 Kitahama, Chuo-ku, Osaka, 541-0041, Japan
    Active Corporate (13 parents)
    Officer
    2023-04-01 ~ now
    IIF 1 - Director → ME
  • 4
    TOKYO STOCK EXCHANGE, INC.
    - now FC015449
    TOKYO STOCK EXCHANGE LONDON REPRESENTATIVE OFFICE - 2002-04-10
    TOKYO STOCK EXCHANGE - 1996-02-16
    2-1 Nihombashi Kabuto Cho, Chuo-ku, Tokyo, 103-8220, Japan
    Active Corporate (61 parents)
    Officer
    2019-04-01 ~ 2023-03-31
    IIF 4 - Director → ME

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Contains public sector information retrieved at 22 March 2026 and licensed under the Open Government Licence v3.0.