Harry Shiozaki is an operator angel with 2 known investments: Mattson Technology and PlasmaSi.
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Investment focus
- Stage
- Growth
- Sector
- Hardware
- Focus
- Industrial EquipmentSemiconductors
Contacts
Harry Shiozaki portfolio companies (2)
- Mattson Technology
- PlasmaSi
Investor Profile
The listing covers sector Hardware, and focus areas Industrial Equipment and Semiconductors. Startups operating in these areas may find Harry Shiozaki relevant.
Harry Shiozaki appears in Growth rounds across the known deals.
The portfolio and focus above give founders context on whether Harry Shiozaki matches their raise.
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Frequently asked questions
Who is Harry Shiozaki?
Harry Shiozaki is an operator angel with 2 known investments on file, among them Mattson Technology and PlasmaSi. The sections above list the sectors and stages attached to that record.
What does Harry Shiozaki invest in?
Listed sectors include Hardware; listed focus areas include Industrial Equipment and Semiconductors. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Harry Shiozaki invest at?
The known deals of Harry Shiozaki include Growth rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
How do I contact Harry Shiozaki?
A phone number and a LinkedIn page are on file for Harry Shiozaki. They are readable inside RaiseHunt after you create an account. The database holds no email address for this profile.
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Data: RaiseHunt investor dataset · Snapshot 2 October 2026 · How this data is built · Report a correction or request removal