Japan · Venture startup

Who invested in ProtoStar

One round we have observed, with the one investor named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Telecoms

Funding summaryUpdated 26 Oct 2026

$821Kraised across 1 round since 2023, from 1 source

Latest round
Venture, $821KSept 2023
Investors
1
See who backed them

The rounds

  1. Sept 2023
    Venture$821K

    Source recorded

Everyone who backed them

Nippon Venture CapitalCorporate VC1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about ProtoStar

Who invested in ProtoStar?

ProtoStar's investors include Nippon Venture Capital.

How much has ProtoStar raised?

ProtoStar has raised $821K across 1 round since 2023.

When did ProtoStar last raise?

ProtoStar's most recent round was a Venture of $821K in Sept 2023.

What was ProtoStar's biggest round?

Its most recent round, $821K in Sept 2023, is also its largest on record.

Who backed ProtoStar first?

ProtoStar's first round on record, in Sept 2023, was backed by Nippon Venture Capital.

What stage is ProtoStar at?

ProtoStar's latest named round is a Venture, in Sept 2023.

Where is ProtoStar based?

ProtoStar is based in Japan.

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