Public regulatory phone
+81 6-6868-5030
Associations below come from public FCC regulatory records. Confidence describes the source relationship, not current ownership of the number.
| Company or contact | FRN | System | Source record | Confidence | Observed |
|---|---|---|---|---|---|
| YUYAMA MFG. CO., LTD. Chief Engineer | 0018127191 | CORES | 0018127191 | Authoritative identifier (100.0%) | 2026-08-31 19:15:28 |