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Founded: April 1940 (Showa 15)
In Sumida, Tokyo, the former Inaba Sho City founded Inaba Manufacturing as a press‑forming company.
Establishment: November 1950 (Showa 25)
In Omori, Ota, Tokyo, Inaba Manufacturing Co., Ltd. was established.
The headquarters was relocated to Yaguchi, Ota, Tokyo.
Production of steel office desks began.
The steel office desk "E‑type" received the Good Design Award.
The Inuyama factory was opened in Inuyama City, Aichi Prefecture.
The Inuyama factory became a JIS‑approved plant for steel office desks.
The Tokyo and Osaka sales offices were opened.
The Osaka distribution center was opened.
The Nagoya sales office was opened.
Production of Inaba storage units began.
Opened Inuyama Distribution Center.
Opened Fukuoka Sales Office and Fukuoka Distribution Center.
Inaba Storage was certified as a high-quality residential component. Production of garages began.
Inaba storage was certified as a quality housing component.
Started production of the garage.
Opened Yamato Factory and Yamato Distribution Center in Yamato City, Kanagawa Prefecture.
Released double-structure storage "Naisou."
Inuyama Factory became a JIS-approved factory for steel storage.
Released shutter-style storage "Domar."
Opened Tohoku Distribution Center.
Founder Inaba Shoichi received the Order of the Rising Sun, Gold Rays with Rosette.
Office desk "Trygon" won the Good Design Award.
Opened North Kanto Distribution Center.
"Trygon" won Germany's Design’87 Stuttgart award.
Opened Kagoshima Distribution Center.
Opened Chiba Numano Factory (now Kashiwa Factory) and Chiba Numano Distribution Center (now Kashiwa Distribution Center) in Numano-machi, Higashikatsushika-gun, Chiba Prefecture (now Kashiwa City).
Bicycle storage was certified as a high-quality residential component.
Started production of office chairs.
Opened Hokkaido Distribution Center.
Opened Niigata Distribution Center.
Opened Matsuyama Distribution Center.
Opened Shikoku Distribution Center (now Takamatsu Distribution Center).
Opened Nagano Distribution Center.
Chiba Numa South Plant (now Kashiwa Plant) became a JIS-approved steel storage facility.
Launched Sigma Space, initiating development in a new field themed around creating new spaces.
Opened Okayama Distribution Center.
Opened Yamaguchi Distribution Center.
The office desk "J-type" was certified as a Good Design product.
Released "initio" as the second series of the Triclain Chair.
The garage was certified as a high-quality housing component.
Opened Kumamoto Distribution Center.
Opened Shizuoka Distribution Center.
Built an exposure test site in Kunigami District, Okinawa Prefecture.
Headquarters Technical Department and Inuyama Plant obtained ISO9001 certification.
Registered shares on the over-the-counter market of the Japan Securities Dealers Association.
Opened Sendai and Shizuoka offices.
Opened Osaka Office Showroom.
Released the environmentally responsive desk and the Cirque series.
Listed on the Second Section of the Tokyo Stock Exchange.
Opened Hiroshima Office.
Opened Hiroshima Distribution Center.
Released the small door-type storage "Ivy Stacker".
Listed on the First Section of the Tokyo Stock Exchange.
Inuyama Factory and Nagoya Sales Office obtained ISO14001 certification.
Chiba Numa South Factory (now Kashiwa Factory) obtained ISO14001 certification.
Yamato Factory obtained ISO14001 certification.
Released the designer storage "Simply."
Released the "Bike Storage Locker."
Closed the Tokyo Factory due to headquarters relocation.
Kashiwa Factory and Yamato Factory obtained ISO9001 certification.
Opened Chiba Sales Office and Kanagawa Sales Office.
Released the next standard storage "NEXTA."
New headquarters building completed.
Headquarters logistics warehouse completed.
Model-changed the luxury garage and released "Broadia."
Obtained ISO14001 certification company-wide.
Model-changed the standard garage and released "Gareedia."
Released the premium office chair "Xair."
Closed the Yamato factory due to nearby residential development.
The office desk "Trygon" won the Long Life Design Award. The office chair "Xair" won the Good Design Award.
The office desk "Trygon" received the Long Life Design Award.
The office chair "Xair" received the Good Design Award.
Opened the Koriyama Distribution Center.
Opened the Hokuriku Distribution Center (currently Ishikawa Distribution Center).
Released the large "Inaba Warehouse" that can store trucks and agricultural machinery.
Released the new standard office desk "DUENA" tailored to the changing body types of Japanese people.
Released the chair "yera" that blends design and ergonomics.
Started power generation at "Inaba Tomoka Megasolar" in Tomoka City, Gunma Prefecture.
Released the insulated storage "Nexta Plus".
Released the multi-connect desk "Frei".
Opened the Miyazaki Distribution Center.
Opened the Tomoka Factory in Tomoka City, Gunma Prefecture.
Released the electric lift desk "Novie".
Opened the Hakodate Distribution Center.
Opened the Sapporo Sales Office.
Opened the Fukui Distribution Center.
Released the designer's garage "ARCIA".
The flagship model "NEXTA" of the storage unit was model‑changed and the "FORTA" was released.
The desk "Telio" with refined design and functional beauty was released.
In response to the Tokyo Stock Exchange's market classification review, the company moved from the First Section to the Standard Market.
The designer bike garage "ARCIA FIT" was released.
Make your office more seamless. The desk "Leggero" was released.
The high‑strength large‑opening garage "TAFRAGE" was released.
The semi‑closed booth "VIAROOM" that blends online and real worlds was released.
The multi‑space with residential features "como space" was released.
The folding desk "NOMUDA" was released.
Released the cost-effective large connected desk "WideDesk+."
Released the open, multifunctional partition "OPENSHELF GL."
January: Release of the open, multifunctional partition "OPENSHELF GL" that organizes space without dividing it, creating a sense of openness.
Inaba Manufacturing Co., Ltd. announced the task chair "PELVIA" and the lightweight partition "Leve", both scheduled for release in January 2027. Both products feature designs and functionalities tailored to modern work styles.
In order to strengthen the logistics system in the eastern Japan area and improve delivery services, we have opened the "Tomoka Distribution Center" at the Tomoka factory in Tomoka City, Gunma Prefecture. By integrating delivery and product pickup functions, we aim to strengthen coordination from production to storage, shipping, and delivery, thereby improving the efficiency of logistics operations and ensuring stable supply.
Inaba Seisakusho Co., Ltd. announced that from October 23, 2026, the 30-second new TV CM "It's Okay to Ride 100 People 2026 Edition" will begin broadcasting nationwide. The CM combines the everyday life of the city "Como Street", composed of "Como Space", with the long-loved phrase "It's Okay to Ride 100 People!", culminating in a climax scene where 100 people ride on a roof.
Inaba Manufacturing Co., Ltd. will revise the prices of exterior products by about 4-5% from January 1, 2027. The reason for the revision is that maintaining the current prices has become difficult due to rising raw material prices and logistics costs. They state that they will strive to maintain and improve quality and ensure stable supply, and ask for understanding.
Inaba Manufacturing Co., Ltd. will revise the prices of office furniture products from January 1, 2027. The rate of revision varies by model and is approximately 3-8%. The reason is the soaring costs of raw materials and logistics, and they state that they will strive to maintain and improve quality and ensure stable supply.
On September 1, 2026, Inaba Manufacturing Co., Ltd. launched the Naiso (SMX model) and como lite (SML model). Naiso is an insulated storage shed that protects stored belongings, while como lite features insulated interior walls for comfortable use in a range of settings, including guardhouses and workspaces.
Inaba Manufacturing Co., Ltd. will be closed for summer holidays from August 11 to August 16, 2026. Inquiries and catalog requests during the holiday period will be handled after August 17. We appreciate your understanding and cooperation.
Inaba Manufacturing Co., Ltd. will release the new products 'Naiso' SMX model and 'como lite' SML model on September 1, 2026. Accordingly, production of the long-sold 'Naiso' SMK model will end on August 31, 2026. Orders after production ends will be made on a made-to-order basis depending on inventory, and delivery times may be delayed.
Inaba Manufacturing Co., Ltd. relocated its Sapporo distribution center to a new address on April 13, 2026. The new distribution center is located at 225-1 Nakano, Higashi-ku, Sapporo, Hokkaido, and operations began on the same day. The company continues to strive to improve customer service and thanks customers for their continued patronage.
Inaba Manufacturing Co., Ltd. will perform website maintenance on March 5 and March 16, 2026. As a result, certain forms and all services will be temporarily suspended. Browsing will be possible, but the use of forms and services may be restricted.