{
 "id": "sumitomo-electric",
 "url": "/companies/sumitomo-electric",
 "name": "Sumitomo Electric",
 "aliases": [],
 "ownership_type": "public",
 "parent_company_id": null,
 "ownership_note": null,
 "hq_country": "JP",
 "website": "https://sumitomoelectric.com",
 "description_md": "Sumitomo Electric supplies optical components and fiber transceivers for data-center networks through its Device Innovations unit, and fiber, connectors and ultra-high-count ribbon cable for high-density structured cabling through Sumitomo Electric Lightwave. It also makes copper alloy products and metal cables used in data-center wiring.",
 "dc_exposure_note": null,
 "listings": [
  {
   "yahoo_symbol": "5802.T",
   "exchange": "T",
   "currency": "JPY",
   "primary": true
  }
 ],
 "quote": {
  "price": 2222.5,
  "currency": "JPY",
  "change_1d_pct": -1.266,
  "market_cap": 6933487688750,
  "as_of": "2026-08-28T02:17:39Z",
  "stale": false
 },
 "parts": [
  {
   "part_id": "3.06",
   "name": "Lasers",
   "layer_id": 3,
   "role": "manufacturer",
   "confidence": "inferred",
   "product_note": null,
   "source_url": null
  },
  {
   "part_id": "3.11",
   "name": "Fiber, connectors, structured cabling",
   "layer_id": 3,
   "role": "manufacturer",
   "confidence": "inferred",
   "product_note": null,
   "source_url": null
  },
  {
   "part_id": "7.09",
   "name": "LV cable, wire, tray, raceway",
   "layer_id": 7,
   "role": "manufacturer",
   "confidence": "inferred",
   "product_note": null,
   "source_url": null
  },
  {
   "part_id": "8.09a",
   "name": "HVDC",
   "layer_id": 8,
   "role": "manufacturer",
   "confidence": "inferred",
   "product_note": null,
   "source_url": null
  }
 ]
}