{
  "$type": "site.standard.document",
  "description": "A navigation assistance device including processing circuitry configured to: acquire first ship data including a position and a speed of a first ship; acquire second ship data including a position and a speed of a second ship; identify a risk area where a risk of the first ship and the second ship…",
  "path": "/patents/1380797",
  "publishedAt": "2026-04-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G08G3/02",
    "Furuno Electric Co., Ltd."
  ],
  "textContent": "A navigation assistance device including processing circuitry configured to: acquire first ship data including a position and a speed of a first ship; acquire second ship data including a position and a speed of a second ship; identify a risk area where a risk of the first ship and the second ship approaching each other is equal to or greater than a particular value; calculate an arrival time until the first ship arrives at the risk area; and display the risk area and display the arrival time in association with the risk area.",
  "title": "NAVIGATION ASSISTANCE DEVICE, NAVIGATION ASSISTANCE METHOD, AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM"
}