Founding principles: What is…?
Japanese Terms in Continuous Improvement LanguageHow Japanese Terms reveal founding principals of lean and monozukuri
‘Continuous Improvement Language’ contains a dazzling amount of Japanese terms and abbreviations. Find here a list of -what I consider to be- important words; not just a translation, but also the connotation behind the word.
Missing any? Need more explanation? Let it know!
Aimai
What is 'Aimai'? Aimai means: Vague, ambiguous. Used to describe a situation, layout or instruction that is unclear and non-specific and causing confusion. Even the most critical business process in most companies (yes even within the ones with big names) earn the...
Andon
What is an 'Andon'? An 'Andon' is a visual control device in a production area. An Andon Board typically is a lighted overhead display, giving the current status of the production system and alerting team members to emerging problems.
Anshin
What is 'Anshin'? Anshin means: Peace of mind, Mindful Anshin describes the condition where things are made clear and a person's mind can rest easy from worry. 5S Workplace organisation strives to create the conditions where the employee can work with a clear head,...
Chaku-chaku
What is 'Chaku-chaku'? Chaku-chaku literally means 'load-load' in Japanese. (Don't confuse it with Chabu-chabu, which is nice food...) Chaku-Chaku is a method of conducting single-piece flow in which the operator proceeds from machine to machine, taking a part from...
Data versus Information
If you write a report, it is completely data, until someone responds -takes action- to one or more of the items in the report. Those parts than become INFORMATION. Information is data that is being responded to. The challenge now is to create reports that invite to...
Gemba (Genba)
What is 'Gemba' (or 'Genba')? Gemba is 'The actual place; the place where the work is performed.' 'Work' is defined here as 'Value created'. So Gemba is the place where the value is being (or should be) created. In the 2020 Corona crises, in many countries it became...
Hanedashi
What is 'Hanedashi' Hanedashi means literally 'Automatic Discharge' The machine throws the produced part automatically out; the operator only charges the machine. This means the operator can fully focus on loading the machine and keep the process running smooth. Less...
Heijunka
What is 'HEIJUNKA'? Heijunka in short: Load leveling, Production leveling, production smoothing. Ideally production can easily be leveled where demand is constant. Unfortunately this is rarely the case because actual customer demand fluctuates. Heijunka -or Load...
Hiku – Osu
What is 'Hiku - Osu'? 'Hiku' means: Pull, drag, draw stretch.Hiku is the condition of completed work; creating a vacuum that draws the next unit to be worked on, only when it is needed. Versus: 'Osu': Shoving, pushing.Osu is the condition that pushes work forward, in...
Hinshitsu
What is 'Hinshitsu'? Hinshitsu means: Quality; it also means Natural. Quality is a natural or normal state. Defects are an abnormal state. Hinshitsu distincts two kinds of 'Quality': Atarimae Hinshitsu - The idea that things will work as they are supposed to (e.g. a...
Hitozukuri
What is 'Hitozukuri'? Hitozukuri means literally: Hito= 'people' and Zukuri (tsukuru) 'process of making'; -> the process of educating and forming people. Just as with monozukuri, the literal translation does not convey the real connotation of hitozukuri. Prof....
Jidoka
What is 'Jidoka'? Jidoka means 'autonomation'. Jidoka -Autonomation- should not be confused with automation! Transferring human intelligence to automated machinery so that machines are able to detect autonomously the production of a single defective part and...
Kamishibai
What is 'Kamishibai'? Kamishibai (紙芝居), literally 'paper drama', is a form of storytelling that originated in Japanese Buddhist temples in the 12th century. Kamishibai: Story with a moral lesson Monks used e-maki (picture scrolls) to convey stories with moral lessons....
Kanban
What is 'Kanban'? 'Kanban' is a signal for controlling production and inventory on the shop floor. A kanban is usually a card, container, token or other means to visually signal: "Produce" or "Deliver". Beer-Kanban Beer drinkers now the system: You are drinking from...
Karakuri
What is 'Karakuri'? Karakuri means 'mechanisms' or 'trick' Karakuri is a mechanism that uses gravity, springs and gears instead of external power sources to manipulate objects
Kega
What is 'Kega'? Kega means: 'Getting hurt'.The kanji for 'Ke' and 'Ga' can be read as 'even for me' 'it looks strange' 'Kega' expresses accidents happening at moments of Mura and Muri; deviant situations, overburdening the system and leading to uncontrolled...
Keiken Ganai
What is 'Keiken Ganai? Keiken stands for 'experience, maturity' Ganai (Ga Nai) means: 'does not have' Keiken Ganai means 'does not have experience or maturity'. Within Lean or Monozukuri different levels of understanding of the process and tools can be wittnest....
Keiretsu
What is 'Keiretsu'? Keiretsu means literally 'system, series'. Usually it refers to a a group of Japanese businesses that are closely linked through shareholding, etc, and form a strong corporate unit Producing in a monozukuri environment means the whole supply-chain...
Kino
What is 'Kino'? Kino means: 'Function' Its meaning in Lean or Monozukuri is: What does it really do? By truly understanding the function of something, it can be reduced to its simplest form.
Ljo – Seijo
What is 'Ljo'? Ljo means: 'Abnormal, deviant' (Translation not confirmed: What is the difference to 'Mu'?) Ljo describes a condition of being 'out of specification', not standard, non-compliant. Ljo is opposite to Seijo meaning: 'Normal'. (Translation not confirmed:...
Minomi
What is 'Minomi? Minomi stands for 'Without Packaging, Only the Content' or 'Just the core, the essence' Minomi says: 'I only want the content, not the wrapper' The word Minomi relates to the essence; as the 'good' in (Kai)Zen. It implies the question: What is the...
Mitsu-Zo
What is 'Mitsu-Zo'- (Moonshining) Mitsu-Zo means: Brewing liquor illegally (in th US referred to as "moon shining") In the early days of the Toyota Production System, those who used their own ingenuity and understanding of a process to make their own equipment...
Mizenboshi
What is 'Mizenboshi'? Mizenboshi means: Prevent problems to be able to manifest; stop a problem before it exists. Mizenboshi is the process of organizing work in a way that before a problem is going to occur it is already detected. In order to prevent the problem from...
Mizu Sumashi
What is 'Mizu Sumashi'? Mizu sumashi means Literally: whirligig (an object that spins or whirls) Mizu Sumashi lost in Translation... Mizu sumashi usually is translated as 'water strider' (or 'water skeeter') which then again should be translated as AMENBO in Japanese....
Muda – Mura – Muri
What is 'Muda'? MUDA means: Any activity in your process that does not add value. MUDA is not creating value for the customer. In short: WASTE 2 types of Muda Type I muda: Non-value-added tasks which seem to be essential. Business conditions need to be changed to...
Nagare
What is 'Nagare'? Nagare means: 'Flow, flowing like a river'. To create loss free processes, it is the goal to make things flow in a natural way, to make the workplace come alive where you can see its heart beat and feel its tempo. To understand 'Nagare' better, it...
Nemawashi
What is 'Nemawashi'? Nemawashi means "The preparations for transplanting a large tree". It refers to the persuasion of related individuals prior to a formal decision making meeting. Before going into a meeting where (important) decisions have to be made, 'nemawashi'...
Netsui
What is 'Netsui'? Netsui means 'Strong spirit'.When going through deep change process - not unusual during kaizen events like Makigami, SMED, or other SGA's - Netsui is required cope with the resistance one will meet as a natural response of the organisation....
Obeya – Obeyaka (Obeya Room)
What is 'Obeyaka'? Obeyaka means 'Big room for cooperation' The term Obeyaka is (also) used to describe the method of getting affected people to work together cooperatively to solve problems. What is 'Obeya'? Obeya literally means "Big Room". Obeya Room An 'Obeya...
Poka-yoke
What is 'Poka-yoke'? Poka-yoke can be best translated as 'Fail Safe'; It can not go wrong/be done wrong Poka-yoke can be a mistake-proofing device or procedure to prevent making a mistake. Fail-safe by design Poka yoke can also be a design-choice: It is not possible...
Sensei
What is 'Sensei'? Sensei (先生): Literally: Sen: Further, Forward Sei: Life Sensei translates as 'The one that brings others forward in life' In the Japanese tradition it is a Master that is willing to teach. Although it is tempting to translate 'Sensei' as Teacher,...
Sesshin
What is 'Sesshin'? Sesshin means literally 'gathering the mind' A Sesshin is a period of intensive meditation (zazen) in a Zen monastery, or in a western Zen centre. While the daily routine in the monastery requires the monks to meditate several hours a day, during a...
Shojinka
What is 'Shojinka'? Shojinka means: A reduction of the amount of employees, but only if it REALLY leads to a reduction of cost. If, by eliminating losses, less labor is needed to create the same value, the employee is no longer needed in this process. Since the...
Standard Work
Standard Work (According to Shingijutsu) Looking at the operations on manufacturing floor, you see operators picking up materials, putting them down, stacking them or searching for them. These motions add no value, in other words, they are wasted (MUDA). To "work"...
Takumi
What is a 'Takumi'? Takumi means: Traditional craftsmanship through dedication and inspiration A TAKUMI must master his specialism in detail. Takumi, both men and women, are highly regarded in Japan. In fact, it is a great honor to be one. Years of training At a very...
Tenuki
What is 'Tenuki'? TENUKI means: An employee is not doing what he should do (he should be adding value, hataraki). He is doing something else, so wasting his energy (ugoki) Tenuki could be translated as 'absence'. Your first association would be with illness. But this...
Yamazumi
What is 'Yamazumi'? a Yamazumi is a stack chart, showing work balance among operators. It is used to make sure work is evenly distributed (no MURA - uneveness) and each operator has a full day's work. Example:
Zazen
What is 'Zazen'? Zazen literally means "seated meditation" Zazen is at the heart of Zen Buddhist practice. The aim of zazen is just sitting in meditation and creating a state of mind where the mind is able to be unhindered by its many layers (our ego), one will then...
Zen
What is 'Zen'? Zen is often translated as: The ideal state, ideal harmony, the natural way of things, good. Actually, Zen is a school of Buddhism. The word is derived from the Sanskrit dhyāna, which means "meditation" and translated via the Chinese Chán to the...