---
title: "IZUMI TATSUO — Ownership Dossier"
canonical: https://whiteintel.dev/entity/9753e1e5-207c-58a4-9956-8d71f62ae033
json: https://whiteintel.dev/api/public/dossier/9753e1e5-207c-58a4-9956-8d71f62ae033
identifier: sec:0001531171
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# IZUMI TATSUO

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001531171`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/9753e1e5-207c-58a4-9956-8d71f62ae033  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/9753e1e5-207c-58a4-9956-8d71f62ae033  

## Ownership & control

### Holdings / subsidiaries

- **MEDICINOVA INC** (director) — https://whiteintel.dev/entity/509a5353-a9b6-5fe9-9c1e-83fe30478bad

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **IZUMI TATSUO**. Human view: https://whiteintel.dev/entity/9753e1e5-207c-58a4-9956-8d71f62ae033 · Structured JSON: https://whiteintel.dev/api/public/dossier/9753e1e5-207c-58a4-9956-8d71f62ae033._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._