“調査中 (Investigation Underway) / 持戻 (Returned to Depot - Absence)”Normalized: exception (Needs attention)Yamato Transport (Kuroneko) (yamato)Sagawa Express (sagawa)Japan Post (japanpost)

What Yamato Transport (Kuroneko) '調査中 (Investigation)' or '持戻 (Absence)' means.

Yamato Transport (黒猫ヤマト) could not complete delivery of your 12-digit Kuroneko parcel—either because the recipient was absent (ご不在・持戻) or the Japanese street/building address requires confirmation (調査中).

Try a live tracking number:

What is happening in the supply chain

lastscanned maps Japanese exception statuses like 調査中 (address investigation) and 持戻 (held back at Sales Office after missed attempt) to exception so your WISMO automation can immediately prompt the buyer to schedule redelivery (再配達).

92… USPS Awaiting Item Checker →
Verbatim carrier scan
“調査中 (Investigation Underway) / 持戻 (Returned to Depot - Absence)”
Normalized API status
exception
Typical time to delivery
Action required (confirm address or redelivery window)
Recommended recipient action
Use the Kuroneko Yamato redelivery slip (不在票) or online portal to select a 2-hour evening delivery window.
Developer / WISMO action
Alert the recipient when status === 'exception' so they can confirm their building/room number or book a Kuroneko redelivery time slot.

How lastscanned normalizes this scan

Instead of maintaining brittle regexes for every carrier's raw scan phrasing across 199 carriers, query GET /v1/track/{number} or connect https://mcp.lastscanned.com.

Get an API keyYamato Transport (Kuroneko) API docs

Synchronous GET request

curl "https://api.lastscanned.com/v1/track/491234567890" \
  -H "Authorization: Bearer lsk_live_YOUR_API_KEY"

Normalized JSON response

{
  "carrier": "yamato",
  "trackingNumber": "491234567890",
  "status": "exception",
  "statusDescription": "調査中 (Investigation Underway) / 持戻 (Returned to Depot - Absence)",
  "events": [
    {
      "timestamp": "2026-10-26T14:22:00Z",
      "localTime": "2026-10-26T10:22:00",
      "status": "exception",
      "description": "調査中 (Investigation Underway) / 持戻 (Returned to Depot - Absence)",
      "location": "Tokyo Koto Sales Office, JP"
    }
  ]
}

Frequently asked questions

Which Japanese carriers are supported on lastscanned?
lastscanned supports Japan Post (japanpost), Yamato Transport / Kuroneko (yamato), and Sagawa Express (sagawa).
Why do 12-digit Yamato and Sagawa numbers need ?carrier=yamato or ?carrier=sagawa?
12-digit numeric barcodes overlap with FedEx Express in Pass 1, so pass ?carrier=yamato or ?carrier=sagawa to target the Japanese carrier directly.

Related national & canadian carriers scans

View all 45 scan statuses →

All 199 supported carriers

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International posts and couriers

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