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Keyence sells factory sensors and inspection systems that help manufacturers check and control their production lines.
Keyence makes the eyes and nerves of modern factories. Its sensors detect whether a part is in the right place, its laser scanners measure things precisely, and its machine-vision systems inspect products for defects as they fly down an assembly line. If a car door has a tiny scratch, a pill is the wrong size, or a phone screen has a hairline crack, Keyence gear is often what catches it.
The company sells to manufacturers across almost every industry — cars, electronics, food, pharmaceuticals, semiconductors — and it sells directly, with its own engineers visiting customers rather than going through distributors. That army of sales engineers is the heart of the business: they walk a factory floor, spot a problem, and design a custom solution on the spot. Customers pay for the hardware and the software that runs it, and they tend to stay because ripping out an inspection system means re-engineering the whole line. The financial picture is striking. Keyence is famous for gross margins that hover around 80%, meaning most of each dollar of revenue survives after the cost of making the product. It earns this by charging premium prices for genuinely hard problems and by keeping manufacturing lean and outsourced. Annual revenue has grown steadily to roughly a trillion yen, and the company throws off enormous free cash flow with almost no debt.
In 1974, Takemitsu Takizaki started a small company called Lead Electric in Amagasaki, Japan. His goal was simple: build and sell automatic control equipment and electronic application devices. That small start became the seed of everything that followed.
A year later, the company invented a very accurate proximity sensor, a device that detects nearby objects without touching them. This early product put the young firm on the path it would follow: making the sharp senses factories need to automate their work.
In 1986, the company renamed itself KEYENCE CORPORATION, a name built from the words "key of science," so the brand and the company would be one. That same year it designed the first photoelectric sensor to use a laser diode as its light source, a sharper eye for machines.
A year later, Keyence listed its shares on the second section of the Osaka Securities Exchange. It was the first step onto the public market, and further listings in Tokyo soon followed.
By 1990, the company had climbed to the first section of both the Tokyo and Osaka exchanges. In the same period it set up a German subsidiary and a production control center, pushing its reach deeper into overseas markets.
In 2009, Keyence took a stake of about 44 percent in the software company JustSystems, spending roughly 4.5 billion yen. The move made JustSystems an equity-method affiliate, giving Keyence a foothold in a world beyond its hardware sensors.
In 2022, Keyence's share price fell hard as investors sold off growth stocks when US long-term interest rates rose. Its valuation had looked expensive, trading well above several times its book value, so after big earlier gains the stock was set up for a painful pullback.
In 2025, Keyence bought all shares of Germany's CADENAS Technologies, making it a wholly owned subsidiary. CADENAS runs a 3D CAD platform that connects around ten million users with parts suppliers. For the first time, the company made a full-scale move into software platforms, adding a digital side to its real-world support of manufacturing.
That same year, 44-year-old Tetsuya Nakano became Representative Director and President, succeeding Yu Nakata. It was a bold handover to younger leadership aimed at speeding up the next generation of growth.
In the first half of 2026, net profit rose 49 percent to 298.6 billion yen as demand for factory automation sensors grew on AI and semiconductor investment, mainly in Asia. The company also announced a five-for-one stock split effective in November, a move to lower the price of a single share and bring in more investors.
Founder Takemitsu Takizaki built the company around a simple rule: never compete on price, always solve a problem the customer didn't know they had. Keyence spends little on advertising and instead reinvests in new product development — it releases a steady stream of sensors and vision tools, each aimed at a narrow job. The cash gets returned to shareholders through dividends and buybacks, and the company sits on a large pile of cash, a conservative habit that some investors grumble about but that reflects its founder's caution.
Saved answer · last researched 21 Oct 2026