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Japanese Oil Tanker Idemitsu Maru Arrives in Aichi After Passing Strait of Hormuz

The Idemitsu Maru reached a sea berth off Chita City, Aichi Prefecture, around noon on May 25, 2026. The vessel carried roughly 2 million barrels of Saudi Arabian crude oil. It is the first Japanese tanker reported to have transited the strait since the Iran war began.

Japan Times
1 source·May 25, 8:24 AM(4 days ago)·1m read
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Japanese Oil Tanker Idemitsu Maru Arrives in Aichi After Passing Strait of Hormuzkoreatimes.co.kr
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The Idemitsu Maru, an oil tanker owned by energy conglomerate Idemitsu Kosan, docked at a pier off Chita City, Aichi Prefecture, around noon on Monday. The ship had passed through the Strait of Hormuz in late April carrying crude oil from Saudi Arabia. The tanker delivered approximately 2 million barrels of crude oil.

The cargo will be processed at Idemitsu Kosan’s Chita refinery, which produces gasoline and naphtha for industrial use. Japan Times reported that this marks the first return of a Japanese oil tanker through the strait since the Iran war began.

Key Facts

Idemitsu Maru arrival
First Japanese tanker through strait since Iran war began
Cargo volume
Approximately 2 million barrels of Saudi Arabian crude
Destination
Chita refinery in Aichi Prefecture for processing

Story Timeline

2 events
  1. Late April 2026

    Idemitsu Maru passed through Strait of Hormuz carrying Saudi crude.

    1 sourceJapan Times
  2. May 25, 2026

    Tanker docked at sea berth off Chita City, Aichi Prefecture.

    1 sourceJapan Times

Potential Impact

  1. 01

    Refinery will process crude into gasoline and naphtha for industrial customers.

Transparency Panel

Sources cross-referenced1
Confidence score75%
Synthesized bySubstrate AI
Word count93 words
PublishedMay 25, 2026, 8:24 AM
Bias signals removed1 across 1 outlet
Signal Breakdown
Framing 1

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