Nidec began with 4 employees in a prefab hut. The hut now sits on the ground floor of its headquarters, beside the life insurance policy pledged for a loan
Nidec's official history says the company, then Nihon Densan, began in July 1973 with four employees and a prefab hut. A compilation says domestic makers refused to buy and 95% of early sales were exports. The founding hut has been moved into the ground floor of the headquarters, where the life insurance certificate pledged as loan collateral is on display. In 2026, a third-party committee concluded that the founder "bears the most blame" for accounting irregularities.
By the Small Start editorial desk. We count every case in the archive by hand. The figures belong to the sources. The judgments are ours.
A company that began with four people in a prefab hut ended with its founder named as the one who "bore the most blame." How did that happen?
The beginning and the ending seem to point at the same thing.
- A timeline from the 1973 prefab hut to the 2026 investigation report
- Why the founding capital is ¥20 million in one source and ¥2 million in another
- How a company refused at home built credit, with 95% of early sales from exports
- Where the shape the legend celebrates overlaps with the cause the report named
Nidec’s official history opens with one sentence: Nidec started with four employees in a small prefab hut.
July 1973, Nishikyo Ward, Kyoto. Nihon Densan, later a global motor maker, began with four people and a prefab hut.
According to an article on Money Post Web, that hut is now preserved on the ground floor of Nidec’s headquarters.
Among the items on display is the life insurance certificate that founder Shigenobu Nagamori took out as collateral for a loan.
This company recorded its beginning in writing and kept the hut itself.
In 2026, as an investigation into its accounting proceeded, the founder resigned as honorary chairman. A third-party committee concluded he bore the most blame.
This column puts the founding record and the 2026 of the company that preserved it on the same page.
Listed companies fall outside the criteria for case articles, so it’s handled as a column rather than a case.
From the 1973 prefab hut to the 2026 investigation report
| When | What happened | Figures | Source |
|---|---|---|---|
| July 1973 | Nihon Densan founded in Nishikyo, Kyoto | 4 employees, capital ¥20 million | official history |
| August 1973 | Begins making and selling its first product, small precision AC motors | official history | |
| 1974 | Order from 3M in the US | ¥500 million | compilation based on securities reports and others |
| 1974 | Investment from Kyoto investment firm KED | ¥5 million | same |
| Early years | Most sales are exports | 95% | same |
| October 1974 | Agent appointed in the US | official history | |
| April 1976 | US subsidiary established | official history | |
| FY to March 1988 | Year before listing | sales ¥25.8 billion | compilation based on securities reports and others |
| November 1988 | Listed on the Osaka and Kyoto exchanges | official history | |
| October 2025 | Designated a “security on special alert” | Shukan Bunshun | |
| February 2026 | Nagamori resigns as honorary chairman | Shukan Bunshun, Money Post | |
| March 2026 | Third-party committee report published | Kyodo News |
The founding and first product are in the official history. The size of the 3M order and the export ratio come from a third-party compilation citing Nikkei Business and others, and weren't confirmed in company documents.
Was the capital ¥20 million or ¥2 million?
The figures disagree from the very first line.
Nidec’s official history puts capital at founding at ¥20 million. A compilation citing securities reports and other sources gives the same founding with capital of ¥2 million.
That’s a digit smaller.
Which is right couldn’t be settled from the sources read. This column puts the official ¥20 million in the table and writes the other figure beside it.
In the founding years of a legendary company, even the number on the first line can change by a digit depending on the source.
Refused at home, 95% of sales from exports
According to the same compilation, the young Nihon Densan was refused by major domestic makers.
Its explanation: domestic deals were decided by a company’s history and track record more than by product performance.
- Refused by domestic majors
A company with no track record found the doors at home closed.
- 1974, an order from 3M
Nagamori went to the United States and won a ¥500 million order from 3M. In the early years, 95% of sales were exports.
- Also 1974, money from KED
The company took a ¥5 million investment from KED, a Kyoto investment firm led by Kazuma Tateishi.
- A foothold in the US
The official history lists overseas entries early: an American agent in October 1974 and a US subsidiary in April 1976.
What stands out is the order in which credit was obtained.
A company with no track record filled the credit it couldn’t get at home with outside endorsements: a large overseas customer and a Kyoto investment firm.
The exhibit of a life insurance certificate pledged for a loan reads as part of the same period.
When the company had nothing to pledge, what it could offer was the founder himself.
The legend celebrates everything gathered in one person
Four people, a prefab hut, rejection at home, an order in America, life insurance as collateral.
Nihon Densan’s founding has been told as the story of one founder who took on credit and funding with his own person.
The company placed that beginning at the head of its official history and moved the hut into its headquarters to preserve it.
In a small company’s founding years, one person carrying sales, money and decisions is common. There’s often no other way to run it.
At Kyocera, the people who supplied money, the person with the technology and the president were all different.
Compared with that, Nihon Densan’s founding record shows almost every role gathered in its founder.
What the 2026 report named as the cause
In September 2025, suspicions of improper accounting surfaced at Nidec.
According to Shukan Bunshun’s summary, on October 28 Japan Exchange Group designated it a security on special alert, requiring improvements to internal controls. On December 19 Nagamori stepped down as global group representative to become honorary chairman.
On February 26, 2026, he resigned that post as well.
His resignation message said: “I now bring to an end, by my own hand, my responsibility for fifty years of management.”
According to Kyodo News, the third-party committee report released on March 3 found numerous accounting irregularities.
On management’s involvement, it said Nagamori bears the most blame.
At the same time, it found no fact that he directed or led the irregularities, while saying he couldn’t escape the assessment that he tolerated some of them.
The committee chair said Nagamori had pressed executives hard to meet earnings targets, and indicated that concentration of authority was the cause of the problem.
What follows is inference. The shape the founding legend has celebrated and the shape the report named as the cause seem to point at the same thing.
One person gathering credit and decisions was a condition for survival in a four-person company.
What the report took issue with was that the same shape remained in a company that had grown huge.
We say nothing here about anyone’s personal qualities.
What we can state is the order: a structure the founding years needed wasn’t dismantled after the scale changed.
The extent of what could be confirmed
Capital at founding differs between the official ¥20 million and the third-party ¥2 million, and couldn't be settled. The ¥500 million 3M order, the 95% export share and the refusals at home come from a third-party compilation and weren't confirmed in company documents or the founder's own words. The insurance certificate exhibit is described in the free portion of the Money Post Web article. The policy's terms and the loan amount weren't checked. The third-party committee report itself wasn't read, and its content is as reported by Kyodo News.
The list setting Nidec beside other legendary companies is in the column tracing 22 founding stories to their sources.
A preserved beginning, and an ending left in documents
Nidec has carefully preserved its own founding.
It wrote four people and a prefab hut on the first line of its history, moved the hut into its headquarters, and even displays the insurance certificate it pledged. It keeps the founding story in both words and objects.
In 2026, the circumstances of the founder’s departure were left in another document, the third-party committee’s report.
The beginning is a record the company kept itself. The ending is a record compiled by people outside it.
The second half the legend didn’t tell sits in a different document of the very company that preserved the legend.
If this one impressed you
This column is the editorial desk's own reading of the cases published on Small Start (all public information, all sourced) and of other public information. It is not a recommendation of any particular business, investment or side venture.
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Sources
- Founder ニデック公式沿革。社員4名、小さなプレハブ小屋からスタート。1973年7月に京都市西京区で資本金2,000万円で設立、同年8月に精密小型ACモータの製造・販売を開始、1974年10月に米国に代理店、1976年4月に米国日本電産を設立、1988年11月に大証二部・京証に上場
- Reported 有価証券報告書(沿革)、日経ビジネス1989年3月27日号などを典拠とする整理。資本金を200万円と記載、1974年に米3Mから5億円を受注、同年にKEDから500万円の出資、創業初期の売上の95%が輸出、1988年3月期に売上258億円
- Reported マネーポストWEB(2026年3月24日、竹中明洋)の無料公開部分。創業時の工場だったプレハブ小屋が本社1階に移設され、融資の担保として永守氏が加入した生命保険の証書が展示されている。2026年2月26日の辞任メッセージ「私は今、50年におよぶ経営の責任に自ら終止符を打ちます」
- Reported 週刊文春(2026年2月26日)。2025年9月に不適切会計の疑いが浮上、10月28日に特別注意銘柄に指定、12月19日に永守氏がグローバルグループ代表を辞任し名誉会長に、2026年2月26日に名誉会長も辞任
- Reported 共同通信(2026年3月3日)。第三者委員会の調査報告書は多数の会計不正を認定し、永守氏が「最も責めを負うべき」とした。不正を指示・主導した事実は見つからなかったが、一部の容認との評価は免れないとした。委員長は権限集中が原因との認識を示した
This article summarizes and analyzes the public sources above. Please refer to the primary sources for details.