Kanbo PRAS Corporation
Japanese industrial materials manufacturer specializing in composite canvas and functional membrane products for construction, logistics, disaster prevention, and events.
Last updated September 28, 2026
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Overview
Kanbo PRAS Corporation (カンボウプラス株式会社) is a Japanese industrial materials manufacturer headquartered in Chuo-ku, Osaka. Founded in 1939 as Mukogawa Senkojo in Amagasaki, Hyogo Prefecture, the company has evolved from textile dyeing into a specialist producer of composite materials that combine fiber and plastic. Its core business is the manufacture and sale of canvas and membrane materials, along with the design, engineering, and sewing of finished products such as tent fabrics, truck tarpaulins, and signage materials. The company also operates a first-class architectural design office for the design and construction of buildings and structures. Kanbo PRAS serves a diverse range of markets including construction, logistics, signage and events, disaster prevention and energy conservation, environmental applications, and sports and leisure. Its products are used in large-scale public events; notably, its heat-shielding products were adopted for the Osaka-Kansai Expo in 2025. The company is known for its environmental commitment, having published environmental and CSR reports early on and pursuing CO2 reduction and eco-friendly product development. Its corporate slogan, "新加していく" (shinka shite iku), expresses a commitment to continuous innovation and adding new value. Since 2004, Kanbo PRAS has been a wholly owned subsidiary of Daiwabo Holdings Co., Ltd. (formerly Daiwabo Co., Ltd.), a major Japanese textile and materials group. The company operates from its Osaka headquarters, a Tokyo branch, and a Fukui factory in Sabae City, Fukui Prefecture, which also houses a technical center. As of its corporate profile, it employs 155 people with capital of 100 million yen. Its fiscal year ends in March. The current president is Toru Kuga, who assumed the role in June 2026. Kanbo PRAS continues to expand its product lines through research and development of new materials and resins, providing functional solutions across various fields. Its recent activities include participation in sustainability exhibitions, upcycling workshops, and collaborations with academic institutions such as Bunka Fashion Graduate University. The company remains focused on creating new value through materials that contribute to environmental conservation and disaster support.
History
Kanbo PRAS Corporation traces its origins to March 1939, when its predecessor, Mukogawa Senkojo Co., Ltd. (株式会社武庫川染工場), was founded in Amagasaki City, Hyogo Prefecture. The company was established as a textile dyeing operation, reflecting the region's historical strength in textiles. In March 1943, it integrated with Daiwa Spinning Aoki Factory (Kobe City) and Yamasaki Dye Factory (Osaka City), and changed its name to Kansai Canvas Chemical Waterproof Co., Ltd. (関西帆布化学防水株式会社). This marked a strategic shift toward canvas and waterproof materials. In August 1949, the company built an Osaka office in Azuchimachi, Higashi-ku (now Chuo-ku), Osaka. In March 1950, it opened a Tokyo sales office, expanding its national presence. A major manufacturing expansion occurred in September 1972 with the establishment of the Fukui Factory in Sabae City, Fukui Prefecture. In April 1988, the company changed its name to Kanbo PRAS Corporation (カンボウプラス株式会社), a name that reflects its focus on canvas (kanbo) and plastics (PRAS). In March 1989, the Fukui Factory added a second plant. The company achieved ISO 9001 certification in June 1996 and ISO 14001 certification in December 1998, demonstrating its commitment to quality and environmental management. In September 1997, a technical center was opened at the Fukui Factory. In October 2000, the Tokyo sales office was upgraded to a branch. In January 2004, Kanbo PRAS became a wholly owned subsidiary of Daiwabo Co., Ltd. (now Daiwabo Holdings Co., Ltd.), a major textile and materials group. In November 2005, the headquarters moved from Hakuromachi to Minamihonmachi in Chuo-ku, Osaka. In March 2007, a patent was registered for antifouling membrane materials (Dynaster, photocatalytic). In May 2012, the Tokyo branch moved from Nihonbashi Horidomecho to Nihonbashi Tomizawacho. In March 2024, the company celebrated its 85th anniversary. In April 2025, its heat-shielding products were adopted for the Osaka-Kansai Expo. In June 2026, Toru Kuga became Representative Director and President. Throughout its history, Kanbo PRAS has evolved from a textile dyeing company into a specialized manufacturer of composite canvas and functional membrane materials. It has consistently invested in research and development, environmental sustainability, and expanding its product applications across construction, logistics, disaster prevention, and events. The company's longevity and adaptability reflect its corporate philosophy of continuous innovation, encapsulated in its slogan '新加していく' (shinka shite iku).
Founded as Mukogawa Senkojo Co., Ltd. in Amagasaki, Hyogo Prefecture.
Integrated with Daiwa Spinning Aoki Factory and Yamasaki Dye Factory; renamed Kansai Canvas Chemical Waterproof Co., Ltd.
Built Osaka office in Azuchimachi, Higashi-ku (now Chuo-ku), Osaka.
Opened Tokyo sales office.
Established Fukui Factory in Sabae City, Fukui Prefecture.
Changed company name to Kanbo PRAS Corporation.
Added Fukui No. 2 Factory at Fukui Factory.
Acquired ISO 9001 certification (registration number JQA1304).
Opened Technical Center at Fukui Factory.
Acquired ISO 14001 certification (registration number JQA-EM0305).
Products and positioning
A materials provider committed to environmental conservation and disaster support, offering composite canvas and functional membrane solutions under the slogan '新加していく' (continuously adding new value).
Composite canvas materials
Manufactured by combining fiber and plastic, used in various industrial applications.
Tent fabrics for expositions and events
Canvas materials designed for large-scale event tents and structures.
Truck tarpaulins
Durable canvas covers for logistics and transportation.
Signage materials
Canvas and membrane materials for signage and displays.
SPACECOOL heat-shielding products
Heat-shielding materials including tarpaulins and piping covers.
Dynaster photocatalytic antifouling membrane material
Patented antifouling membrane material using photocatalytic technology.
Crane sunshade tents
Heatstroke prevention tents for crane operators.
Upcycled products
Products made from recycled factory waste materials.
Sources5 sources
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