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Mitutoyo

Mitutoyo is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Mitutoyo rather than just read about it. In short: Mitutoyo Corporation (株式会社ミツトヨ, Kabushiki Kaisha Mitsutoyo) is a Japanese multinational corporation specializing in measuring instruments and metrological technology, headquartered at Takatsu-ku, Kawasaki, Kanagawa. It was founded in 1934 by Yehan Numata (沼田 恵範 Numata Ehan).

Mitutoyo — main illustration
Mitutoyo — illustration

Key takeaways

  • Mitutoyo belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Mitutoyo to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Mitutoyo from memory before moving on to harder problems.

Reference excerpt

Mitutoyo Corporation (株式会社ミツトヨ, Kabushiki Kaisha Mitsutoyo) is a Japanese multinational corporation specializing in measuring instruments and metrological technology, headquartered at Takatsu-ku, Kawasaki, Kanagawa. It was founded in 1934 by Yehan Numata (沼田 恵範 Numata Ehan).

History Mitutoyo was founded by Japanese entrepreneur Yehan Numata in 1934. Numata had spent the decade of the 1920s in the United States, where he studied at the University of California, Berkeley. While studying, he left a profound impression on those at Berkeley, which led him to be recognized many years later. He first entered the United States to study in 1921 and spent the next few years studying mathematics and statistics as an undergraduate. He remained at UC Berkeley until 1928, when he received his master's degree. Numata returned to his native Japan where he launched the Mitutoyo Corporation. It is believed that growing up in the Meiji period in Japan and witnessing the United States' industrial markets prior to The Great Depression gave Numata inspiration to form his own corporation. On October 22, 1934, Mitutoyo was established by Numata. At the time of launch, Mitutoyo only had a single product, the micrometer. The 1930s in Japan was a period of industrialization and Numata was part of a wider movement to begin to produce foreign technology domestically. Prior to this, Japan was heavily focused on textiles, with Mitutoyo forming the foundations for the technically advanced Japan we see today. The Japanese government invested heavily in the 1930s in infrastructure, especially on the railway. This led to the rapid growth of manufacturing across various sectors. This focus on manufacturing, allowed Numata to form a research and development facility in Kamata, Tokyo where he began to experiment with the creation of micrometers. Over a period of three years, Numata developed Mitutoyo's first product, a Japanese-manufactured micrometer. In order to promote the new product, a promotional towel was created, which read "The World's Best Micrometer." Following the breakout of World War II, manufacturing demand in numerous countries intensified, due to the heavy demand for advanced military equipment. However, this demand meant that often shortcuts were taken and standardization was not common. This meant that micrometers were often produced that were substandard, with only a few manufacturers able to deliver high-quality micrometers. Numata differentiated his products by offering high quantities with standardization. This movement in Mitutoyo and other manufacturing companies during World War II eventually led to the creation of Just-in-time manufacturing. As electronic technology became more widespread in the 1970s, Mitutoyo applied electronics to its line of dimensional gaging equipment to include electronic, or digital, measuring tools. During this time it also began to offer larger, more complex and more sensitive measuring instruments, including optical comparators, form measuring equipment, and coordinate measuring machines (CMMs). As statistical process control (SPC) was introduced, Mitutoyo led the world in the development of output gages, interfaces, data collectors and analysis software to take advantage of this new metrological science. When the computer made its way into the field of metrology, Mitutoyo again shifted its focus to include this technology into its product offering and push measuring accuracies into the sub-micrometre range. Today, Mitutoyo presents its 6,000+ products as integrated, computer-based metrology systems, where they can be interconnected to form closed-loop-measuring networks.

Mitutoyo America Corporation Mitutoyo America Corporation was formed in 1963 and is headquartered in Aurora, Illinois (just outside Chicago). Mitutoyo America offers the full product line of precision measuring tools, instruments and equipment with a distribution network, training and education classes, software development, and service support to provide a comprehensive metrology organization. The company name is usually spelled in the Kunrei-shiki/Nihon-shiki manner "Mitutoyo". Because most publications for foreigners as of 2000 require the usage of Hepburn romanization, as of 2000 in the Tokyo Anglophone yellow pages the company name is rendered in the Hepburn style "Mitsutoyo". Following the opening of the Boeing manufacturing base in Sheffield, England, it was announced that Mitutoyo would be an active partner in the supply chain.

Conviction for illegal activities On 14 September 2006, the Tokyo District Public Prosecutor’s Office indicted four former executives of the Mitutoyo Corporation. The company was penalized for violating the Foreign Exchange and Foreign Trade Law prohibiting the company from exporting any products for 6 months and from exporting measuring devices for an additional 2½ years (2007–mid 2010). In addition, the Japanese court gave the former executives multi-year jail sentences (suspended) and fined Mitutoyo ¥45 million (approx. 350,000 USD). It was found that Mitutoyo created software for their products that would falsify the accuracy of the measurements taken in order to circumvent customs inspections. There is evidence that a portion of Mitutoyo’s illegal exports helped in nuclear-weapon programs in Libya, Iran, and North Korea. In particular, several Mitutoyo coordinate-measuring machines were allegedly sold to Scomi Precision Engineering in Malaysia. The Scomi scandal was part of a wider arms-smuggling operation masterminded by Pakistani nuclear scientist Abdul Qadeer Khan.

References

External links

Mitutoyo global website (in English) Mitutoyo America Mitutoyo South Asia Pvt. Ltd. Mitutoyo Asia Pacific Pte. Ltd.

Illustrations

Mitutoyo illustration
Mitutoyo illustration
Mitutoyo: Micrometer by Mitutoyo
Micrometer by Mitutoyo

Worked examples

Example 1 — a first encounter with Mitutoyo

Start with the simplest possible case. Write down what Mitutoyo claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Mitutoyo before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Mitutoyo ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Mitutoyo

In research
Mitutoyo appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Mitutoyo in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Mitutoyo is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1934 establishments in Japan, Companies based in Kawasaki, Kanagawa, Instrument-making corporations, so understanding it makes those chapters shorter.
In everyday life
Look for Mitutoyo outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Mitutoyo in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Mitutoyo means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Mitutoyo out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Mitutoyo in simple terms?

Mitutoyo Corporation (株式会社ミツトヨ, Kabushiki Kaisha Mitsutoyo) is a Japanese multinational corporation specializing in measuring instruments and metrological technology, headquartered at Takatsu-ku, Kawasaki, Kanagawa. It was founded in 1934 by Yehan Numata (沼田 恵範 Numata Ehan).

Why does Mitutoyo matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Mitutoyo?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Mitutoyo.

Tags

  • 1934 establishments in Japan
  • Companies based in Kawasaki, Kanagawa
  • Instrument-making corporations
  • Japanese brands
  • Metrology
  • Technology companies established in 1934
  • Technology companies of Japan

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