Is Amoeba Management, pioneered by Kazuo Inamori, a core strategy for corporate success? By examining his management philosophy and practical approaches—which turned loss-making companies into profitable ones—we explore lessons that can be applied to business operations.
Kazuo Inamori’s Management Philosophy
After founding Kyoto Ceramics, an electronic components manufacturer, in 1959, Kazuo Inamori has consistently worked in the manufacturing and telecommunications sectors. However, he also achieved remarkable results in the unfamiliar aviation industry. He turned a company plagued by losses into a profitable one in just eight months and recorded record-breaking performance for two consecutive years. Thanks to his leadership, Japan Airlines, which had entered receivership in January 2010, was relisted and revived in just 32 months.
In this blog post, I will take a closer look at the secret behind Kazuo Inamori’s ability to achieve outstanding results across completely different industries—such as an electronics component manufacturer, a telecommunications company, and an airline. I am referring to the secret behind his ability to lead companies—since their founding in 1959—without ever posting a single loss. This discussion of Amoeba Management is based on his books *Kazuo Inamori’s Amoeba Management* and *The Book of Virtue*, as well as numerous media interviews.
What qualities are necessary to become an outstanding manager? While opinions may vary, most would agree that a wealth of knowledge across all aspects of management—including finance, accounting, human resources, production management, and marketing—is essential. So, how can one acquire and build such extensive management knowledge and diverse experience? Today, many companies support their capable middle managers by sending them to MBA programs to learn specialized management knowledge. This is because placing capable talent in the right positions is the very foundation of corporate management. Recently, it is not difficult to find graduates of prestigious overseas MBA programs in large and mid-sized companies.
So, did Kazuo Inamori also accumulate his management know-how through such elite education? Not at all. Like many business leaders active around the same time, he did not learn management from books. In fact, he has absolutely no formal education in economics or business administration. His only official academic credential is a degree from the Faculty of Engineering at Kagoshima University in Japan, which he earned in 1955. At the time of his graduation, Kagoshima University was not a particularly prestigious institution. Kazuo Inamori even referred to his alma mater as a “provincial university.”
In fact, the reason he quit his job and founded Kyocera with seven colleagues was because he faced discrimination at his former company for not being a graduate of a prestigious university. Perhaps if he had entered the Department of Pharmacy at Osaka University’s School of Medicine as he had hoped and become an employee of a pharmaceutical company, Kyocera—now one of the world’s top 100 corporations with 70,000 employees—might not exist today.
The Struggles of a Young Man Full of Vigor
Kazuo Inamori grew up in extreme poverty. His family fell into poverty after his father’s small printing business in Kagoshima went bankrupt; the situation was so dire that his uncle, aunt, and youngest uncle all contracted tuberculosis and died. He himself fell ill with tuberculosis in the sixth grade of elementary school. Having already witnessed his relatives succumbing to tuberculosis one after another, it was inevitable that a sixth-grader would wonder, “Is it my turn next?”
While he was bedridden with tuberculosis as a young boy, a woman from the neighborhood brought him religious books. The religious texts he read at that time became the catalyst for his later deep interest in philosophy and religion. It was this experience that led him to always adopt an attitude of contemplating “What is right from a human perspective?” even when running his company.
After recovering from tuberculosis, he entered middle school only after failing the entrance exam twice. Later, he took the entrance exam for the Department of Pharmacy at Osaka University’s Faculty of Medicine but failed. Unable to afford to retake the exam, he enrolled at Kagoshima University, but even after graduating, life did not come easily. The year he graduated, 1955, was a time when the Japanese economy was suffering from a severe recession. Without special connections, it was difficult to get a foot in the door at a major corporation.
Eventually, he found employment at an insulator manufacturing company in Kyoto—a company that, according to Kazuo Inamori, was “on the verge of collapse.” There, he researched new ceramics, a material that was emerging as a new material at the time, and succeeded in commercializing it. The specialized knowledge he had acquired through diligent study during his university years—despite growing up in such difficult circumstances that he had to give part of his scholarship to his mother to help with the family’s food expenses—proved invaluable in developing this new material. He says that because he had no money, he couldn’t go out to play, and since time was all he had, he maintained excellent grades in college. However, even though he succeeded in developing and commercializing the new material at the company, he faced disregard and discrimination simply because he wasn’t a graduate of a prestigious university.
When he received a request to develop a new product that was notoriously difficult to create, his superior, the head of the technology department, reportedly told him, “There’s no way you can make that with your skills.” He added, “You’re out of this project. We have plenty of other outstanding engineers at this company besides you. From now on, we’ll entrust the research to them.”
The impassioned young Kazuo Inamori replied, “Oh, is that so? In that case, I’ll resign,” and walked out of the company. He was only 27 at the time—an age when, filled with youthful vigor, he could easily say such a thing. Kazuo Inamori explains that such discrimination stemmed from the fact that, at that time, graduates of the prestigious Kyoto University dominated the technical department at that company. This concludes the story of his life from childhood up to the point where he left his first company.
The Essence of Management Discovered in Amoeba
So, how was he able to build a leading corporation when all he had was technical expertise and seven colleagues who trusted him enough to leave the company with him? How could a 27-year-old who knew nothing about management lay the foundation for a company that is now one of the world’s top 100 corporations, employing over 70,000 people? He says, “At the time, I was a complete novice when it came to running a company, so I was constantly wrestling with the question of what principles I should base my management on.” And the management technique he gradually refined over decades of running the company is none other than Amoeba Management.
In biology, an “amoeba” refers to a single-celled organism with an irregular shape. Kazuo Inamori divides a complex corporate organization with numerous employees into small units called “Amoebas,” each consisting of about 10 employees. He then applied a management technique where each unit manages its own revenue, costs, and profitability. The core of this approach is to break down a massive corporate structure into small business units—like Amoebas, which have no fixed shape and possess only the minimal functions necessary for survival—and manage them effectively.
The concerns he faced in the early days of his business are no different from those of many small and medium-sized business owners and startup founders today. As a business succeeds and the company grows, the number of issues the founder must manage increases rapidly. If the founder tries to solve every problem alone even in such a situation, the organization cannot function properly. Kazuo Inamori describes the moment he first conceived the idea of Amoeba Management as follows:
“Until we had about 100 employees, I could manage the company on my own. I wondered what would happen if I divided the company into small groups. We hadn’t yet developed leaders capable of managing 100 people, but surely there were leaders within our company who could handle small groups of 20 to 30 people? What if we assigned those employees the role of small-group leaders and had them manage their units individually? And since we were going to divide the company into small groups anyway, we decided to manage each of those units under a separate accounting system.”
The separate accounting system refers to a management technique in which the revenue, costs, income, and expenses of various departments or factories within a single company are calculated separately by department or factory. For example, before the introduction of the independent accounting system, the revenue and costs of Department A, Department B, and Plant C were not calculated separately but were combined into a single figure, with revenue and costs reviewed only at the company-wide level. However, once the independent accounting system is introduced, Department A, Department B, and Plant C each calculate their own revenue and the costs incurred to generate it separately.
In fact, since many domestic companies have already adopted the independent accounting system, Amoeba Management might not seem particularly special when viewed solely from this perspective. However, Amoeba Management possesses characteristics that distinguish it from the general independent accounting system in several ways, namely the fact that it closely integrates the concepts of time and speed into management.
Understanding accounting documents such as balance sheets, income statements, and cash flow statements requires a certain level of basic accounting knowledge. Kazuo Inamori believed it was unrealistic to expect all employees to possess professional-level accounting expertise. Instead, he felt it was essential for employees to be able to instantly grasp, at a glance, whether their department was making a profit and whether productivity had improved compared to the previous day—all by looking at a single number. That is why he introduced the concept of “profit per hour.”
Simply put, profit per hour is the difference between revenue and the costs incurred to generate that revenue, divided by the total number of hours worked by employees. Employee labor costs are not included in the cost items. This is because if labor costs were included in the expense category, departments with many high-salary employees or a large number of employees would find it difficult to improve their hourly profitability, no matter how hard they worked.
For example, let’s say there is a company, Company A, that manufactures and supplies smartphone cases. This month, they earned $1,000 from selling smartphone cases and spent $400 (excluding labor costs) to produce them. If 10 hours were spent on smartphone production, you simply subtract $400 from $1,000—leaving $600—and divide that by the 10 hours of labor. This yields an hourly profitability of “6.” To raise hourly profitability above this level, the company can reduce expenses such as parts costs, electricity, and gas, or cut down on labor hours.
This created a metric that any company employee could easily use to gauge their own productivity, even without specialized accounting knowledge. As a result, employees were encouraged to take a more proactive approach to improving productivity. With a concrete goal of increasing hourly profitability, employees were able to act more quickly and proactively by eliminating unnecessary work procedures to boost productivity.
The Amoeba Management system he introduced also provided the company with another major benefit.
Today, companies are making active efforts to cultivate future leaders by sending capable middle managers to MBA programs. However, thanks to Amoeba Management, middle managers who led small Amoeba units of 10 to 30 people were able to naturally build their skills through hands-on experience. This allowed the company to cultivate capable leaders who would lead Kyocera in the future right on the job.
Since each Amoeba is an independent business unit that calculates its own revenue and costs and formulates its own business plans, its leader had to play a role akin to that of a CEO of a small company. Because Kyocera was able to cultivate leaders who gained diverse, hands-on management experience by rotating through multiple Amoebas, the company was able to continuously produce capable talent. This is why young people preparing to launch startups, as well as executives at small and medium-sized enterprises, are striving to emulate Amoeba Management today.
