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.



Pune, Maharashtra, India
The Lean Japan Tour by Shinka Management was a truly impactful experience. The learning on Kanban, Standardized Work, Karakuri, and Japanese factory structure was practical, insightful, and directly relevant to strengthening lean culture in our operations. What inspired me most was seeing leaders in the Japanese companies we visited personally demonstrate discipline, respect for standards,…
read more

Jeddah, Saudi Arabia
Having completed several graduate courses in lean production and management during my MSc in Industrial Engineering, I was no stranger to the principles and theories that underpin this field. However, the opportunity to embark on the Lean Japan Tour with Shinka Management was nothing short of transformative. It strengthened my understanding of lean practices to…
read more

Irvine, California, United States
I attended Shinka Management’s Lean Japan Tour and it was an incredible experience. The content was highly informative and practical, offering deep insights into lean culture and principles and their real-world applications. The organisation of the program was excellent, ensuring a seamless and engaging learning experience. I’d highly recommend this tour to anyone looking to…
read more

Koolywurtie, South Australia, Australia
The team at Shinka have done a sensational job of providing an in-depth tour with lots to learn about the Toyota Production System and lean manufacturing. The tour was carefully planned, and we got the most out of our time in Japan.
read more

Melville, Hamilton, New Zealand
What a journey into lean! A week jam-packed with learning the true essence of lean from a Sensei, then being critiqued on your practical application of the skills. Followed up by site tours of what world class lean manufacturing looks like. Highly Recommended.
read more

Rancagua, O'Higgins, Chile
The Lean Japan Tour allowed me to understand in a practical and conceptual way the real essence of just-in-time and operational efficiency. The dedication of the team and their attention to detail have made this an unforgettable experience.
read more
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.
