Uchikura & Co., LLC

Iran and Japan ... History goes back long over 1000 years.

 

Iran and Japan have a unique relationship—one that most people don’t notice because it isn’t loud or dramatic.

 

Their connection goes back over a thousand years to the Silk Road. Persians reached Japan long before modern diplomacy existed. It wasn’t political—it was cultural. But it created a foundation that still matters today.

 

In modern history, the relationship became practical.

 

Japan needed oil. Iran had oil.

 

But there is one story that defines this relationship.

 

In 1953, when Iran was under a British-led oil embargo, the Japanese oil company Idemitsu made a bold move. Its founder sent an oil tanker, the Nissho Maru, to Iran. The ship slipped past the British naval blockade, loaded Iranian oil, and brought it back to Japan.

 

This was not just business. It was risk. It was defiance.

 

Iran still remembers this.

 

That single act built trust.

 

Even today, that connection continues. In March 2026, a gas tanker operated by Mitsui O.S.K. Lines passed through the Strait of Hormuz—one of the most sensitive and dangerous routes near Iran. Japan still depends on this region.

 

At the same time, Prime Minister Sanae Takaichi has indicated she may pursue direct communication with Iran at the appropriate time, aiming to help stabilize the situation and reduce tensions.

 

Japan didn’t try to control Iran. Iran didn’t see Japan as an enemy.

 

That balance is rare.

 

No military alliance. No loud politics.

 

Just mutual benefit and respect.

 

Sometimes relationships are not built by treaties—but by actions.

 

And one tanker, breaking a blockade, can define decades of trust.