---
title: "WATANABE MASAO — Ownership Dossier"
canonical: https://whiteintel.dev/entity/72ff87e7-a7a7-562f-92af-413e14f5802f
json: https://whiteintel.dev/api/public/dossier/72ff87e7-a7a7-562f-92af-413e14f5802f
identifier: sec:0001488451
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# WATANABE MASAO

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001488451`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/72ff87e7-a7a7-562f-92af-413e14f5802f  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/72ff87e7-a7a7-562f-92af-413e14f5802f  

## Ownership & control

### Holdings / subsidiaries

- **Seven Hills Realty Trust** (other) — https://whiteintel.dev/entity/d18c5bfe-7d62-55db-a2b4-19e1308bfe1d

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **WATANABE MASAO**. Human view: https://whiteintel.dev/entity/72ff87e7-a7a7-562f-92af-413e14f5802f · Structured JSON: https://whiteintel.dev/api/public/dossier/72ff87e7-a7a7-562f-92af-413e14f5802f._

_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"._