JOTO TECHNO Co., Ltd.
Corporate brand
UnclaimedJapanese manufacturer of unique housing construction materials, known for the Joto Kiso Packing method and termite warranty system.
Last updated September 26, 2026
AI crawler reads
No AI crawler has read this profile yet.
Overview
JOTO TECHNO Co., Ltd. is a Japanese manufacturer of housing construction materials headquartered in Hirakata, Osaka. Founded in 1960 as Shiro Suehisa's individual business in Joto Ward, Osaka, the company began as a plastics manufacturer specializing in extrusion molding. It was incorporated in 1961 as Joto Chemical Industry Co., Ltd. and later changed its name to JOTO TECHNO Co., Ltd. in 2001. The company is known for its unique building materials, particularly the Joto Kiso Packing method (a foundation packing method for termite prevention) and the Joto Foundation Insulation method. Its product lineup includes foundation packing materials, foundation insulation components, ventilation materials, interior building materials, and exterior products. JOTO TECHNO operates nationwide in Japan with sales offices from Sapporo to Kagoshima, and has expanded internationally with a joint venture in Taiwan and a subsidiary in the United States. The company emphasizes its "unique" manufacturing philosophy, aiming to be a niche top in housing materials. It has a termite warranty system that has provided peace of mind to over 1.3 million homes over more than 20 years. In 2023, it transitioned to a holding company structure under Joto Holdings Co., Ltd.
History
JOTO TECHNO Co., Ltd. was founded in October 1960 by Shiro Suehisa as an individual business named "Joto Kasei Kogyosho" in Joto Ward, Osaka City, starting as a manufacturer and seller of plastics centered on extrusion molding. In October 1961, it was incorporated as "Joto Chemical Industry Co., Ltd." with Suehisa as representative director. In February 1968, it expanded to the Hirakata City Small and Medium Enterprise Industrial Park, and in October 1970, relocated its head office to Hirakata City. In December 1971, it began basic research on composite materials, and in May 1973, received approval for a subsidy from the Ministry of International Trade and Industry for important technology research and development related to composite material equipment. In April 1974, the composite material equipment "Joto Process" was completed. In 1976, the "Joto Kiso Packing Method" was established, with the first-generation Kiso Packing (prototype). In the 1980s, the company expanded its sales network, opening offices in Sendai (1980), Tokyo and Fukuoka (1981), and Hiroshima (1983). In February 1985, the Chiba Factory was opened. In September 1988, a joint venture "Jiacherng Industrial Co., Ltd." was established in Taiwan. In January 1992, the Sapporo Sales Office was opened. In February 1993, the use of "Anti-seismic Suspension (T-03)" was approved by the Housing Loan Corporation. In June 1994, the Nagoya Sales Office was opened, and in November, the "Joto Kiso Packing Method" received the first "Housing Loan Corporation Evaluation Approval No. 1". In September 1996, the Saitama Sales Office was opened, and in December, the website was launched. In March 1997, the Osaka Sales Office was opened. In August 1999, ISO 9001 certification was obtained. In March 2000, the Tokyo Sales Office was promoted to Tokyo Branch. In October 2001, capital was increased to 282 million yen, and in November, the company name was changed to "Joto Techno Co., Ltd." In April 2002, the "Termite Warranty System" started. In October 2003, the Ibaraki Factory began operation, moving from Chiba to Ibaraki. In March 2004, cumulative construction results for the "Joto Kiso Packing Method" reached 1 million buildings. In March 2006, the new head office factory started operation. In June 2008, capital was increased to 310.1 million yen. In January 2011, cumulative construction results reached 2.5 million buildings, and in October, the company celebrated its 50th anniversary. In March 2013, a technical development building was constructed adjacent to the head office factory, and in April, the termite extended warranty system started. In March 2014, a new head office building was constructed in Hirakata City, Osaka, and in September, cumulative construction results reached 3.5 million buildings. In January 2015, the "Joto Kiso Packing Method" obtained UES (an American building standard evaluation approval) as the "Joto-Vent System". In March, the head office factory expansion was completed. In April, a corporate slogan was formulated, and "Termite Warranty 1000" started. In September, the "Termite Warranty System" received the Good Design Best 100 award, and the warranty period for the "Termite Extended Warranty System" was extended from 10 to 20 years. In 2016, the "Joto Kiso Packing Method" celebrated its 40th anniversary. In April, the "Joto Support System" service started, and in July, cumulative construction results reached 4 million buildings. In February 2017, "Joto-Vent System USA, Inc." was established in Washington State, USA. In April, the "Joto Foundation Insulation Method" was established, and "Termite Warranty 1000" started for that method. In May, the Osaka Sales Office was promoted to Osaka Branch. In September, the GAISO brand debuted. In October, "Joto-Vent System USA, Inc." opened in Redmond, Washington. In December, the Ibaraki Factory (Inashiki City Edosaki Mirai) was completed. In May 2019, Joto's Kiso Packing products obtained approval from the American technical evaluation organization ICC-ES as "Joto-Vent System®". In December, cumulative construction results reached 5 million buildings. In April 2020, the Machida Office was promoted to Machida Sales Office. In February 2021, TDM Co., Ltd. was made a subsidiary. In May, the head office was relocated to the same location as the Osaka Branch, and the former head office building was renamed Osaka Technical Center, and the head office factory was renamed Osaka Factory. In October, the company celebrated its 60th anniversary. In January 2023, with the start of Joto Holdings Co., Ltd., the head office function was transferred.
Founded as 'Joto Kasei Kogyosho' in Joto Ward, Osaka City by Shiro Suehisa.
Incorporated as 'Joto Chemical Industry Co., Ltd.' with Shiro Suehisa as representative director.
Head office relocated to Hirakata City.
Composite material equipment 'Joto Process' completed.
'Joto Kiso Packing Method' established.
Joint venture 'Jiacherng Industrial Co., Ltd.' established in Taiwan.
'Joto Kiso Packing Method' received 'Housing Loan Corporation Evaluation Approval No. 1'.
ISO 9001 certification obtained.
Company name changed to 'Joto Techno Co., Ltd.'.
'Termite Warranty System' started.
Products and positioning
Niche top in housing construction materials, focusing on unique, problem-solving products for long-lasting homes.
Kiso Packing series
Foundation packing materials for termite prevention and insulation.
Joto Kiso Packing Method
A construction method using dedicated materials to physically prevent termite intrusion.
Joto Foundation Insulation Method
A foundation insulation method with termite warranty.
Antibacterial resin frames
Interior building materials with antibacterial properties.
Underfloor inspection openings
High airtightness underfloor inspection openings, including NORNE with body composition monitor.
Eaves ventilation materials
Fire-resistant and non-fire-resistant eaves ventilation materials.
GAISO brand
Exterior and waterproofing accessories brand.
Sources5 sources
Cite this profile: Cite the canonical profile. /brand-wiki/joto-techno-co-ltd-japan · Editorial policy · How profiles are compiled