Onox Mtt – Factory Tour
Onox Mtt is a precision sheet-metal processing company with 120 employees. The company operates two plants in Hamamatsu City in Shizuoka Prefecture and is a supplier to manufacturers of medical devices, electronic instruments and office automation equipment.

Corporate Information
- Company: Onox Mtt Co.,Ltd
- Foundation: 1971
- Location: Hamamatsu, Hamamatsu Prefecture
- Main Business: Precision sheet-metal processing

Onox Mtt – Lean Characteristics
Kaizen
Since its establishment in 1976, with their corporate motto of “creation, challenge and affinity”, the company has worked together with their clients to develop high-quality products directly suited to their needs.
Over the years, the company has developed an advanced manufacturing system which allows them to share necessary information online while introducing state-of-the-art processing equipment to cater for the needs of clients in an efficient and speedy manner. To this end, the company has been vigorously implementing kaizen to improve their products and methods by incorporating inputs from their clients.
The Onox Mtt plant tour is run by Managing Director Aoshima and includes a Q&A session.



Riyadh, Saudi Arabia
During my bachelor’s degree I studied TPS and lean extensively but having the theoretical knowledge is very different to actually seeing it and getting the chance to implement it in the practical center. I have enjoyed my time during the tour and learned a lot about how TPS is actually implemented. The tour was very…
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Sydney, NSW, Australia
I am finishing my final day of the Lean Tour with Shinka Management, and the experience has been nothing short of transformative. For anyone serious about mastering the Toyota Production System (TPS), this tour in Japan is a must. Shinka provides a masterclass in combining detailed theoretical frameworks with hands-on practical training. Seeing the concepts…
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Christchurch, Cantebury, New Zealand
I was very pleased to join the March 2026 Shinka Management Lean Tour in Japan. Having previously worked with the Toyota Way and Kaizen in the early 1990s, I was keen to revisit this manufacturing philosophy, and the opportunity to see Lean in action in Japan was not to be missed. The tour was outstanding.…
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Kassel, Germany
My expectations for the tour were exceptionally high, but the Shinka Management team exceeded them all. The opportunity to engage with a sensei who possesses decades of experience in the Toyota Production System (TPS) was invaluable. The factory tours, coupled with discussions with managing directors and plant managers, offered profound insights into the organizational culture,…
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Jerome, Idaho, United States
I was very impressed with the professionalism and preparedness of the Shinka team. The support both before and during the tour was fantastic. It was the right mix of culture and personal development. There were lots of learnings I will take with me.
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Melbourne, Victoria, Australia
I recently had the privilege of attending the Lean Japan Tour organized by Shinka Management, and I can say it was an unforgettable experience! From start to finish, the tour was exceptionally well-managed, and I came away with a wealth of new knowledge and insights into lean manufacturing. I want to express my gratitude to…
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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.
Tour Inquiries
Interested in joining us in Japan? For additional information prior to registration please fill in the form provided or contact us.
