KonichiValue Japan

KonichiValue Japan

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Chofu Seisakusho (5946): A Free Money Glitch Held Hostage by Japan's Laziest Management

Rei Saito's avatar
Rei Saito
Jun 30, 2026
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Disclaimer: This content is for informational purposes only, not investment advice. I may own equities mentioned in this article. Investing involves risk, so always do your own research before buying or selling any securities.

Chofu Seisakusho looks like the ultimate value investor dream on paper.

Heat pumps are the new industrial gold rush. As extreme temperatures drive massive global demand for climate-control technology, the entire HVAC sector is catching a massive tailwind. As a premier expert in this exact hardware, Chofu should be printing money right now.

Instead, we find them sitting here in the dirt. Because how does a profitable company in a booming sector trade at less than half of its book value?!

My immediate gut feeling was that the book value had to be a lie. But the assets are very real. Their technology is genuinely world class. They hold over JPY 91 billion in long term investments. Meanwhile, the entire market capitalization sits around JPY 69 billion.

I assumed their assets were tied up in worthless inventory or obsolete factories. But the reality of Chofu Seisakusho is much stranger and far more frustrating.

So follow me as I dive into the most absurd capital allocator I’ve ever seen to determine if you should actually buy this stock:


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