Yokowo Puts $44M More Into Chip-Test Capacity, Mostly Vietnam

Yokowo, a Japanese semiconductor test equipment maker, will spend an additional JPY7 billion ($44 million) across Vietnam and Malaysia to expand semiconductor test capacity, with Vietnam getting a second new building on top of one already under construction.

The company announced the plan in a statement on Tuesday, November 10. The new spending sits on top of JPY8.1 billion earmarked in June 2026, bringing the combined investment to JPY15.1 billion, disbursed through March 2031.

What does the money actually build?

The allocation splits three ways.

• Japan: expanded buildings and new equipment for automation and production.
• Malaysia: new production equipment.
• Vietnam: a second new building plus phased equipment installation.

The timeline is concrete. Vietnam's first new building is scheduled for completion in October 2027; the second follows in February 2028.

The earlier June 2026 plan was designed to make Vietnam Yokowo's second overseas production base after Malaysia, spreading risk and protecting business continuity. Tuesday's announcement doubles down on that geography.

In plain words: Japan gets the automation upgrade, Vietnam gets the physical footprint.

What's driving the demand?

Yokowo's core products in this expansion are contact probes and test sockets — the components that connect chips to test systems during manufacturing.

The company said demand for semiconductor testing is rising as AI, data center, and high-performance computing chips grow more advanced. That advancement adds testing steps and makes the products under test more complex.

The pressure comes from two directions at once. Yokowo said existing customers are expanding demand, while new customers and new test processes are also asking for supply — together exceeding its existing capacity plan.

In plain words: the company's original June 2026 number wasn't big enough for the orders already in the pipeline.

Why Vietnam, why now?

The decision lands amid tightening Japan-Vietnam economic ties. Last week, during a top-level visit, Vietnam and Japan signed an AI research and patent fast-track deal — a signal that semiconductor and AI cooperation between the two countries is moving from talk to signed agreements.

Yokowo's buildout fits that pattern: advanced manufacturing capacity landing in Vietnam with Japanese capital and technology behind it.

The takeaway: with two buildings due in Vietnam by February 2028 and demand from AI-era chips outpacing its old plan, Yokowo has signaled that JPY15.1 billion — not JPY8.1 billion — is what it now takes to keep up.