science

Mabuchi Motor

Mabuchi Motor 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 Mabuchi Motor rather than just read about it. In short: Mabuchi Motor Company (マブチモーター株式会社, Mabuchi Mōtā Kabushiki Kaisha) is a Japanese manufacturing company based in Matsudo, Chiba Prefecture, Japan. It is the world's largest manufacturer by volume of small electric motors, producing over 1.4 billion motors annually.

Key takeaways

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

Reference excerpt

Mabuchi Motor Company (マブチモーター株式会社, Mabuchi Mōtā Kabushiki Kaisha) is a Japanese manufacturing company based in Matsudo, Chiba Prefecture, Japan. It is the world's largest manufacturer by volume of small electric motors, producing over 1.4 billion motors annually. The company employs 24,286 people in its production division, 755 in its administrative division, 583 in its R&D division, and 219 in its sales division. Mabuchi Motor holds 70% of the market for motors used with automotive door mirrors, door locks, and air conditioning damper actuators. Sales of power window lifter motors are on the rise. The company's ratio of consolidated markets is 64.3% automotive products and 35.7% consumer and industrial products. Applications for Mabuchi brushed DC electric motors and brushless electric motors include power drills, lawn mowers, vibrating cell phones and video game controllers, vibrators, vacuum cleaners, toy cars and planes, CD, DVD and Blu-ray players, digital cameras, computer printers, electric fans, electric razors, washing machines, electric tooth brushes, and blow dryers.

Corporate governance Mabuchi Motor's head office is located near Matsuhidai station on the Hokuso line linking Narita airport with downtown Tokyo. The company is managed by a board of directors which includes two outside directors. For the purpose of creating an environment for investors to invest more easily and for expanding liquidity and enlarging the investor base of the stock, Mabuchi Motor split each share of its common stock into two shares on January 1, 2015, with the number of shares outstanding rising from 37.875 million in 2014 to 70.927 million in 2015.

Takaichi Mabuchi, the company's co-founder and honorary chairman since March 28, 2013, has also been president and chairman of Mabuchi Motor Co., Ltd. Shinji Kamei, chairman of Mabuchi Motor Co. Ltd., since March 28, 2013, has been the chief executive officer and president at Mabuchi Motor Co. Ltd. Kamei also its representative director. Hiroo Okoshi has been chief executive officer and president of Mabuchi Motor Co. Ltd. since March 28, 2013. Okoshi previously was an executive officer and general manager of administration headquarters and as general manager of Corporate Planning Department. He has been a director since March 2011. Tadashi Takahashi has been a managing executive officer of Mabuchi Motor Co. Ltd. since March 27, 2015. Takahashi has also been general manager of Research & Development Headquarters since March 28, 2013, and he was executive officer from March 28, 2013, to March 27, 2015. Takahashi was general manager of Production Engineering Innovation Center of research and development Headquarters until March 28, 2013. He has been a director since March 28, 2013. Masato Itokawa is general manager of Quality Assurance Department and executive officer. He has been a director since March 28, 2013. Tadahito Iyoda has been a general manager of Administration Headquarters and executive officer since March 28, 2013. Iyoda previously was general manager of the Corporate Planning Department and was also president of Mabuchi Motor at its headquarters in Mexico. Hirotarou Katayama has been general manager of operations control headquarters since July 2014 and is its executive officer. Katayama has been a director since March 27, 2015. Iwao Nakamura has been an outside director of Mabuchi Motor Co. Ltd., since March 28, 2013 and of Nagase & Co. Ltd. since 2009. He previously was executive officer at Nagase & Co. Ltd. and president of Nissan Diesel Motor Co. Ltd. of Volvo AB from 2002 to May 11, 2007. Nakamura was president of Nissan Diesel at AB Volvo from 2002 to July 11, 2007. Nakamura also is a director of Nissan Diesel Motor Co. Ltd. Ichiro Hashimoto has been an outside director of Mabuchi Motor Co., Ltd., since March 27, 2015. He also is the chief operating officer of Niigata Power Systems Co., Ltd. and once was its president. In April 1970, Hashimoto joined Ishikawajima Harima Heavy Industry Co., Ltd. (IHI) and has been its director since April, 2008. Hashimoto was an executive vice president of IHI Corporation since April 2010. Since July 1998, Hashimoto was head of Soma Works of Aero-Engine & Space Operations of IHI, and was its executive officer and president of Power System Operations, managing executive officer and president of Energy and Plants Operations since January 2008, managing executive officer and president of Energy and Plants Operations since April 2008. He was the senior executive officer, managing executive officer and executive officer of IHI Corporation. He was a director of IHI Corporation starting in April 2010. Since June 2012, he has been a corporate advisor of IHI. Masahiro Gennaka is full-time statutory auditor. Keiichi Horii is an outside statutory auditor. Horii has also been an auditor of Sanwa Soko Co. Ltd. since June 2011. He became a registered lawyer (Dai-ichi Tokyo Bar Association) in April 1979. He was a partner of Harada, Uchida, and Sugiyama Law Office (now Toranomon Minami Law Office) since January 1995. Nobutaka Motohashi has been an outside statutory auditor of Mabuchi Motor Co., Ltd. since March 2012 and NAGAWA Co., Ltd. since June of that year. He has also been a representative at CPA Motohashi Nobutaka Office since July 2008. Motohashi w =as a representative partner at audit corporation Ernst & Young ShinNihon LLC (formerly, Eiko Accountants Office) since May 1976. He joined audit corporation Ernst & Young ShinNihon LLC (formerly Ike Shoichi Office) in June 1971. Motohashi was registered as a certified public accountant in March 1973. He withdrew from Ernst & Young ShinNihon LLC (formerly Shin-Nihon Audit Corporation) in June 2008. Toru Masuda is an outside statutory auditor. Tsuyoshi Nakamura is general manager of sales & marketing headquarters and executive officer. Nakamura formerly was deputy general manager of Sales & Marketing Headquarters starting on March 28, 2013. Nakamura was the general manager of Sales Department 3 of the Sales & Marketing Headquarters until March 28, 2013. Kazuyuki Someya is president of Mabuchi Industry Co., Ltd. (Mabuchi's Hong Kong based subsidiary). Someya has also been the general manager of the Accounting and Finance, Dept., Administration Headquarters. Eiji Uenishi is deputy general manager of research and development. Akihiko Kitahashi is the executive in charge of Taiwanese business. Katsuhiko Katayama is the executive In Charge of Chinese Business.

… excerpt ends here. Continue reading the full article.

Illustrations

Worked examples

Example 1 — a first encounter with Mabuchi Motor

Start with the simplest possible case. Write down what Mabuchi Motor 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 Mabuchi Motor 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 Mabuchi Motor 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 Mabuchi Motor

In research: Mabuchi Motor 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 Mabuchi Motor 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: Mabuchi Motor is common in secondary-school and first-year university syllabi. It links to neighbouring topics Auto parts suppliers of Japan, Companies based in Chiba Prefecture, Companies listed on the Tokyo Stock Exchange, so understanding it makes those chapters shorter.
In everyday life: Look for Mabuchi Motor 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 Mabuchi Motor in 20 minutes

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

Frequently asked questions

What is Mabuchi Motor in simple terms?

Why does Mabuchi Motor 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 Mabuchi Motor?

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 Mabuchi Motor.