Ishii Machinery – Factory Tour
Ishii Machinery is a well-established SME manufacturer based in the city of Ashikaga, Tochigi Prefecture, with 70 employees. The company engineers and manufactures a wide range of industrial precision components and equipment which are mainly supplied to the automotive and aerospace industries.

Corporate Information
- Company: Ishii Machinery Co., Ltd.
- Foundation: 1888
- Location: Ashikaga, Tochigi Prefecture
- Main Business: Manufacturing of industrial precision components and equipment

Ishii Machinery – Lean Characteristics
5S, Just-In-Time Production
Ishii Machinery shares a history of monozukuri (Japanese art of making things – manufacturing) with the likes of Toyota and Suzuki Motor. Their origins lie in the manufacturing and sales of loom machines in the 1800s. Their product lines have expanded to equipment and components for the aerospace, automotive and other sectors.
Based in Ashikaga City which is known as the City of 5S where over 200 organizations participate in 5S activities on a daily basis, the company also has been actively involved in the Ashikaga-style 5S Program. 5S is used as the basis for their Just-In-Time production control system in only producing and transporting what is required, at the time it is required, in the quantity it is required. This is their response to the increasing expectations of their customers and society in general.
The plant tour includes a presentation, a site tour and a Q&A session with senior managers.

Paul and Ben from Shinka Management need to be commended for the tour that they ran in Japan. The experience has enlightened and energised me to intensify the lean efforts within our organisation. The tour was packed full of knowledge building as well as relationship building with other participants all whilst experiencing a cultural treat…
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The whole tour was very professionally undertaken and led. Paul and Ben have to be congratulated for putting together a very informative and very enjoyable experience. The itinerary was excellent and to see from the raw material all the way through the supply chain through to the finished product was superb. I loved the thought…
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I highly recommend the Lean Study Tour of Japan as an experience not to be missed. Having attended the tour for the past three years, supporting our clients, I have come away with new learnings every time. Whether you are new to Lean Thinking or well into your Lean Journey you will undoubtedly have an…
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This was my third visit to Japan with Shinka Management and it is difficult for me to find the right words to express my gratitude for such a well-organized tour and my appreciation for the high quality and on-target content. In my previous visits I received very valuable information related to continuous improvement principles and…
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Paul and Eri from Shinka Management clearly understood the brief and greatly assisted in transforming our industry tour into an enjoyable and exceptional experience immersed in Japanese culture. Without their support we would not have gained the same level of factory access, learnings and knowledge. Well done!
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Wonderful! I truly loved how we got a chance to see multiple tiers of the Toyota supply chain, and learned the true definition of some buzz words related to TPS. Getting a chance to see it all up-close was impactful.
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The Shinka Management Lean Japan Tour is a professional development program run several times annually. The program includes a mix of lean and kaizen seminars, hands-on lean training and visits to several benchmark lean companies. For further information and program dates, see the lean tour overview page.
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