Rinnai – Factory Tour
Rinnai Corporation is a Japanese multinational heat and energy appliance manufacturer headquartered in Nagoya, Japan. The company has 14 subsidiaries and production bases in Japan as well as over 30 manufacturing subsidiaries overseas.

Corporate Information
- Company: Rinnai Corporation
- Foundation: 1920
- Location: Headquartered in Aichi Prefecture
- Main Business: Manufacturing of heating products
Rinnai Corporation – Lean Characteristics
TQS, TPM
Rinnai’s catchphrase “quality is our destiny” epitomizes a corporate obsession with quality. They keep production of key components in-house at three of their own factories and 14 manufacturing affiliates under the Rinnai Group umbrella in Japan. By realizing this high in-house production ratio, they have control over quality and strive for zero-defect status.
The basis for manufacturing and all aspects of the process at Rinnai is to think and act from a scientific perspective. They have built a market-orientated production system that combines policy management, the quality control cycle, and continuous improvement proposal activities, based on a bottom-up approach heavily influenced by the Toyota Production System, and utilizing Total Productive Maintenance and Total Quality Management.
All employees participate in improvement and TPM efforts. They maintain a multi-product, mixed-flow production system based on actual demand. Through their own logistics network, they can realize timely delivery.

Adelaide, South Australia, Australia
Participating in the Shinka Management Lean Japan Tour was a transformative experience. The tour offered a rare opportunity to witness world-class lean practices in action at leading Japanese organisations. From visiting Toyota’s manufacturing facilities to learning directly from lean practitioners, every moment was an invaluable learning experience. The insights gained into kaizen, waste reduction, and…
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Riyadh, Saudi Arabia
The thing about the Lean Japan Tour by Shinka Management is that it’s not focused only on production efficiency, but also involves the lean way of managing people & reducing waste as a path to improving an organization’s quality & efficiency. We had the chance to visit different plants, and the privilege of meeting sensei…
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I was a part of the November 2013 Lean Japan Tour and would highly recommend it for anyone who is serious about Lean Manufacturing. Ben and Paul are well organised and have put together a great tour. The tour is very enjoyable and a great insight into Lean manufacturing. I have come back with a…
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San Francisco, California, United States
Thank you, Paul Smith and Ben Sparrow, for hosting this amazing real time learning experience through visits to factories in Japan practicing Lean methodologies. This trip is something I will remember and take with me throughout my professional career and personal life.
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I thoroughly enjoyed the opportunity to learn the Toyota Production System from the source. I look forward to implementing the many findings in our plant. This experience has given me a different approach to improving our plant’s lean journey. Thank you again for everything.
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Riyadh, Saudi Arabia
It was an exciting experience learning about Japan’s culture and industrial mentality. I had the honor of seeing and experiencing the industrial culture in Japan and exploring the reasons for its prosperity based on the principle of “kaizen”, as well as witnessing the work environment in a distinctive way embodied in the principle of 5S. It was…
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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.