Kewpie – Factory Tour
Kewpie Corporation is a Japanese manufacturer that produces and sells condiments, salad dressing, egg products, jams and health foods. It is well known for its popular brand of mayonnaise that comes in a soft-squeeze plastic bottle with a distinctive Kewpie baby doll logo and a red cap. The company operates eight plants in Japan and has several production bases overseas including in South East Asia, Europe and the United States.

Corporate Information
- Company: Kewpie Corporation
- Foundation: 1919
- Location: Headquartered in Tokyo
- Main Business: Manufacturing of packaged food products including condiments, dressing, egg products

Kewpie Corporation – Lean Characteristics
QC Circle, High-Mix, Low-Volume Production
Kewpie Corporation is a well-known food production company with over 100 years of history. The company founder Toichiro Nakashima encountered mayonnaise during his study visit to the United States and founded the company in 1919 with a hope to create delicious and nutritious condiments for the Japanese. The company began production of Japan’s first mayonnaise product in 1925.
Kewpie now operates eight plants in Japan with a clear distinction of roles and functions among each plant. The company designates two plants as their mother factories (namely Goka plant in Ibaraki Prefecture which covers Eastern Japan and Kobe Plant in Hyogo Prefecture for Western Japan) and the remaining six are regarded as their satellite plants. At their mother plants, the company’s flagship products are manufactured in large scale. In addition, the latest production technologies and equipment are also introduced and tested before being transferred to their satellite factories. Their satellite factories are where a wide range of their food products in varying volume are manufactured in high-mix, low-volume production environments. Their production is achieved in a flexible manner with the application of factory automation systems developed over the years.
The company has set up a corporate-wide Quality Control circle program. QC circles are small groups made up of shop floor operators responsible for quality control. They voluntarily and continuously undertake activities that improve the quality of their products as well as the safety and efficiency of their operation.
Kewpie Koromo plant is a satellite plant which was established in 1958 in Toyota City, Aichi Prefecture. The visit to Koromo plant provides an insight into the effective use of high-tech tools to achieve a high level of quality and efficiency as well as good examples of their QC circle activities.

Adelaide, South Australia, Australia
プログラムはよく組織化され、構成されていた。シンカのチーム全員が素晴らしく、とても親身になってくれました。正直なところ、リーンが私たちのビジネスに適しているかどうか確信が持てませんでした。しかし、日本での再教育は、リーン…
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ポール、ベン、エリへ、 素晴らしいツアーをありがとうございました。一週間という長い旅でしたが、私たちの期待をはるかに上回る、非常にプロフェッショナルなアプローチと、さらにパーソナルなサービスを提供してくださいました。この…
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Sydney, New South Wales, Australia
私はリーンについてほとんど理解しないままツアーに参加しました。このツアーは、改善への継続的な取り組みとあらゆるレベルでのチームワークによって達成できることの可能性に目を開かせてくれました。工場見学は、カイゼンと5Sの原則…
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Fort Myers, Florida, United States
これは私にとって初めての本格的な観光研修の経験でしたが、大成功でした。ポール、エリ、イチはプロフェッショナルで忍耐強く、リーン/カイゼンのテーマに精通していた。彼らの努力と心遣いに深く感謝しています。 * 旅のロジスティ…
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Hobart, Tasmania, Australia
ポール・スミスをはじめとするシンカ・マネジメント のチーム、特にエリ・デニスは、2024 年 3 月に行われた私たちのオーダーメイドの日本スタディーツアーの企画と引率をしてくれました。建設とトレーニングの専門家からなる私…
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Kuching, Sarawak, Malaysia
日本の労働文化や、仕事の効率を上げるために役立つ習慣を学ぶという目的は達成できた。 座学と工場見学のバランスのとれたプログラムだった。 シンカ・マネジメント・チームのポール、ホアン、イチはとても親切で、私たち一人ひとりの…
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The Shinka Management Lean Japan Tour is a professional development program run several times annually. The program, led by Shinka Management lean consultants, 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.
The above form is for inquiries related to the Lean Japan Tour program, Shinka Management consulting and training services, and lean manufacturing software products. Shinka Management does not represent Kewpie. For Kewpie-related product, service and general public factory tour inquiries, please contact Kewpie directly.

Visiting Japan?
Prepare for your visit with the Shinka Management Guide to Japanese Business Etiquette.
