← Doing Business in Japan’s Semiconductor Industry

Culture is not the soft part

Foreign guides to Japanese business tend to treat culture as manners: bow correctly, receive the business card with two hands, do not be late. This is not useless, but it addresses the wrong layer.

The things that actually determine whether your proposal succeeds are structural. Where authority sits. How information moves before a decision. What a “yes” in a meeting means. Whether the person you are talking to has a mandate or a reporting line. These are not customs — they are the operating system, and they are remarkably consistent across Japanese semiconductor companies regardless of size.

Authority is distributed downward, not concentrated upward

The single most common foreign error is assuming that Japanese hierarchy means top-down decision-making. The hierarchy is real and highly visible, but it mostly governs sequence and deference, not initiation.

In a typical Japanese firm, a proposal originates in the middle — a section manager (kachō) or department head (buchō) — and moves upward for ratification. The executive who signs is confirming a consensus that already exists, not creating one. By the time a president approves something, the decision has effectively been made by twelve people below him.

This inverts the foreign playbook. Getting the CEO’s enthusiasm at a conference does not produce a deal. It produces an instruction to a middle manager to evaluate your proposal — which then enters the normal process at the normal speed.

Ringi: the document that carries the decision

The ringi-sho is a circulating proposal document. It moves through the relevant departments, each of which affixes approval. It is often described as bureaucratic, and it can be, but its function is precise: it converts a decision into a shared, documented, multi-department commitment.

Two consequences matter for foreign counterparties. First, the document must be prepared by someone inside the company — you cannot write it, and your materials are only inputs to it. Second, every department in the routing has effective veto power, because a refusal to seal stops the document. Legal, procurement, quality and manufacturing can each kill a proposal that sales enthusiastically supports.

Nemawashi: the work that happens before the meeting

Nemawashi — literally, digging around the roots of a tree before transplanting it — is the informal pre-alignment of stakeholders before a proposal is formally raised.

This is the part foreign executives most consistently fail to see, because by design it is invisible from outside. Meetings in Japanese companies are frequently not deliberative. They are ratification events for agreements already reached in corridors, over lunch, and in one-on-one conversations days or weeks earlier.

If a formal meeting is the first time an idea is presented, it will not be approved at that meeting. Not because it is bad — because the process for approving it has not yet started.

Engineering carries unusual weight

In many Western firms, engineering advises and commercial functions decide. In Japanese semiconductor companies, the engineering and manufacturing functions frequently hold effective veto authority over commercial commitments.

This has a rational basis. Japanese competitive advantage in this industry rests on process control and yield — which means the people who own process control have institutional standing. A sales organisation that promises something manufacturing has not endorsed is not making a commitment; it is making a request.

Practical implication: technical credibility is not a supporting argument in Japan, it is the primary one. Foreign teams that send commercial people to build the relationship and engineers only for problem-solving have the sequence backwards. Send engineers early, and send the same ones repeatedly.

Long tenure changes the time horizon

Lifetime employment has eroded — mid-career hiring is now normal, and mobility among younger engineers has risen substantially. But the residue is significant. A section manager at a Japanese materials supplier may have spent twenty years at that company and expect to spend fifteen more.

That person’s incentives are not quarterly. They are: do not be the person associated with the failure. A decision that produces a modest gain carries far less personal upside than a decision that produces a visible loss carries downside. This is not timidity; it is a rational response to an environment where reputational damage compounds over a long career in one place.

The implication for your proposal: you are not primarily selling upside. You are removing downside risk from the person who has to champion you internally. Every reference customer, every reliability datum, every contingency plan you can supply is ammunition for their internal defence.

Consensus produces slowness and durability at the same time

The pattern that foreigners find hardest to accept is that Japanese firms are slow to decide and then fast and reliable to execute — the reverse of the typical Western pattern.

Because the decision was pre-aligned across every affected department, implementation encounters little internal resistance. There is no second round of objections, no quiet non-compliance, no renegotiation six months in. What was agreed is what happens.

Foreign firms that succeed in Japan generally arrive at the same conclusion: the front-loaded cost buys something real. The mistake is paying that cost and expecting Western-speed decisions, which produces frustration on both sides and often a withdrawn proposal just before it was about to be approved.

Variation you should expect

Not every Japanese company behaves identically:

• Large legacy manufacturers (integrated electronics groups, established materials firms) follow the pattern above most strictly.
• Equipment makers with heavy overseas revenue are noticeably faster and more comfortable with direct negotiation, though the internal approval structure remains.
• Companies with foreign ownership or foreign-experienced executives may run something closer to a hybrid model — but the middle layer often still operates traditionally, which produces a mismatch between what leadership promises and what the organisation delivers.
• Founder-led mid-sized suppliers can be dramatically faster, because the founder genuinely holds authority. These are frequently the best entry points into the Japanese supply chain, and the most attractive M&A targets.

What to actually do

1. Identify the middle manager who will own your proposal internally. That person, not the executive, determines your outcome.
2. Give them material they can use. A Japanese-language one-pager that can be pasted into an internal document is worth more than a fifty-slide English deck.
3. Treat pre-meeting conversations as the negotiation. The meeting is the closing ceremony.
4. Send technical people, repeatedly, and keep them consistent. Rotating your team resets the relationship each time.
5. Never force a decision at a meeting. Asking for a commitment in the room places your champion in an impossible position and will produce a polite non-answer.

Related: Why Japanese Companies Decide Slowly — and How to Work With It · Acquiring a Japanese Semiconductor Company

Written and edited by Masanori Takano, Chief Executive Officer of TechMedix Institute, Inc.