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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.

Parent entities and officers
Inapplicable
parent relation
Individuals in focus

Clark, John Hamilton

    Related profiles found in government register
  • Clark, John Hamilton
    American director born in November 1949

    Resident in Usa

    Registered addresses and corresponding companies
    • icon of address 1389, Moffett Park Drive, Sunnyvale, California, CA94089, Usa

      IIF 1
  • Clark, John Hamilton
    American chief operating officer born in November 1949

    Registered addresses and corresponding companies
    • icon of address 2214 Barger Court, Wheaton, Il 60187 United States Of America

      IIF 2
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.
Ceased 2
  • 1
    FINISAR UK LIMITED - 2015-09-30
    U2T PHOTONICS UK LTD - 2014-05-06
    icon of address Netpark Incubator Thomas Wright Way, Sedgefield, Co Durham, Cleveland
    Active Corporate (2 parents)
    Net Assets/Liabilities (Company account)
    340,725 GBP2024-04-30
    Officer
    icon of calendar 2014-04-28 ~ 2015-08-13
    IIF 1 - Director → ME
  • 2
    FIRE ACQUISITION LIMITED - 1993-04-13
    icon of address Fibercore House, University Parkway Southampton, Science Park Southampton, Hampshire
    Active Corporate (4 parents)
    Officer
    icon of calendar 1995-06-15 ~ 1996-07-18
    IIF 2 - Director → ME

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Contains public sector information retrieved at 12 November 2025 and licensed under the Open Government Licence v3.0.