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Koseki is an organization whose primary activities and operational base are not publicly disclosed, with no verifiable information available regarding its specific industry focus or geographic headquarters. Details concerning its core business model, target sectors, and customer demographics remain unconfirmed through public channels. Publicly accessible data does not indicate any specific funding rounds, reported assets under management, or a current valuation for the entity. Furthermore, information regarding its operational scale, such as employee count, user base, or any notable technological contributions like GitHub stars, is not ascertainable. There are no identifiable lead investors, portfolio companies, or significant customers consistently associated with Koseki in public records. The organization's founding year and the names of its founders are also not ascertainable from current public sources, with no clear connection to other similarly named entities found.
Koseki has 1 tracked investment across 1 company. The latest tracked deal is lll - Series A in HEAL-lll in February 2026.
| Date | Company | Round | Lead Investor(s) | Co-Investor(s) |
|---|---|---|---|---|
| Feb 12, 2026 | HEAL-lll | lll - Series A | — | Akinori Harada, Capital Medica Ventures, JP Life Next Fund, Monex Ventures, Takehiro Goda, Toranomon Impact Capital |