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Corporate History
- 1941August
- Sanwa Denki Keiki Seisakusho established as a company manufacturing and selling diagnostic tools, or multi-testers (circuit testers) for use in equipment repair, following the increased popularity of radio receivers. (Koganei-machi, Kitatama-gun, Tokyo)
- 1945August
- World War II ends. Company resumes business in new factory in Koganei-machi.
- 1954April
- Sanwa begins to export overseas, to countries such as Argentina, USA, China, Brazil and India.
- 1955June
- Sanwa Electric Instrument Co., Ltd established as the head office. (Sotokanda, Chiyoda-ku, Tokyo)
- December
- Sanwa's P-3 circuit tester awarded Small and Medium Enterprises Agency's "Export Promotion Award".
- 1959March
- Because of import restrictions imposed by the UK against Japan, Sanwa establishes a company in Hong Kong and begins manufacturing through this subsidiary company's products.
- 1962November
- Exhibits at first Japan Electronics Industrial Show (now CEATEC JAPAN).
- 1967October
- Osaka office opened. (Ebisucho, Naniwa-ku, Osaka)
- 1968June
- Sales of Sanwa Testers top the 5 million mark.
- 1969June
- Commended by the Japanese Minister of Trade and Industry for contributions to exports for three consecutive years following this year.
- December
- Manufacturing company Sanwa Denki Seisakusho opens new factory in Hamura, Tokyo.
- 1973May
- Distribution center opened to enhance quality of distribution service.
- 1974January
- Current "Sanwa" logo established. Company launches corporate identity policies.
- 1982April
- Sales of Sanwa Testers top the 8 million mark.
- 1985August
- Sanwa begins production of movable parts for shock-resistant band meters using automatic assembly equipment.
- December
- Manufacturing company Sanwa Keiki Seisakusho opens new offices in Tokyo.
- 1986January
- Lux meter launched.
- 1988October
- Chip mounter introduced. Productivity improved in response to product miniaturization.
- 1990November
- Osaka office renovated. Showroom opened.
- 1992October
- Manufacturing company Sanwa Denki Seisakusho renamed Sanwa Tesmex, and Sanwa Keiki Seisakusho renamed Sanwa M.I. Technos Co., Ltd.
- 1994October
- Sanwa Meter Hong Kong established. Begins overseas part procurement.
- 1996August
- Representative office opened in Singapore. Begins local agency support activities in ASEAN countries.
- November
- Sanwa Tesmex quality assurance system receives JQA accreditation, acknowledging conformity with ISO 9002 quality assurance standards.
- 2002October
- Sanwa Electric Instrument Co., Ltd. and Sanwa Tesmex unite to become a single sales and manufacturing company.
- November
- Sanwa Electric Instrument Co., Ltd certified as ISO 9001 (Quality Assurance System) compliant by JQA.
- 2004October
- Manufacturing company Sanwa M.I. Technos incorporated into Sanwa Electric Instrument Co., Ltd.
- 2007November
- Certified as ISO14001 (Environmental Management System) compliant by JQA.
- 2009May
- Sanwa Hybrid Mini-tester DG34 awarded Tokyo Governor’s Prize at the JECA Fair.
- 2010February
- Development and launch of Leak Clamp Meter I0R100, which uses True R theory.
- August
- Certified as JIS Q 17025: (ISO IEC 17025:2005) compliant with JAB(Japan Accreditation Board for Conformity Assessment)