History
| 1946 |
Established Sanwa Kogyo Co., Ltd. in Kotoni-cho of Sapporo city, Hokkaido with capital of 95,000 yen funded by 10 people including Eisaku Emori, Shojiro Takano, Hiroshi Emori and Fumiki Shiroishi. Eisaku Emori became a director. Started development of wood moisture tester and lumber metal detector. Established the Tokyo office in Kita-shinbori-cho in Nihonbashi of Chuo-ku, Tokyo and the laboratory in Zushimachi, Kanagawa. |
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| 1947 |
Developed wood moisture tester “M-1 type” and delivered 20 mass-production products to Hokkaido government. The trademark is named as “KETT” that is derived from the first letters of the family names of Satoshi Kiyohara, Eisaku Emori, Shojiro Takano and Siro Tadano. |
| 1949 |
Changed the company name to Sanwa Denki Kagaku Kenkyujo. Received a subsidy for development and research of wood moisture testers from Hokkaido government. |
| 1950 |
Developed rice and wheat moisture analyzer “P-1”. Delivered the first product to the Muroran food agency office.
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| 1953 |
Developed electromagnetic coating thickness tester “L-1” and infrared moisture analyzer “F-1”. “Super-high electrical resistivity measurement method” of wood moisture tester as our first patent received the achievement award from the Japan Institute of Invention and Innovation.
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| 1955 |
Built new office building in Minami-shinagawa of Shanagawa-ku, Tokyo.
Set the Tokyo office as the HQ and converted the Sapporo HQ to the Sapporo office. Increased the capital to 2,000,000 yen. Started our first large export of grain moisture tester “P-4” to Taiwan. |
| 1956 |
Rice and wheat moisture analyzer “PB-1” was officially employed by the Food Agency and our first mass-production started.
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| 1958 |
Built new company building in Minami-magome of Shinagawa-ku, Tokyo as new HQ. Established the Osaka office in Fukushima-ku of Osaka city. Increased the capital to 4,000,000 yen. |
| 1961 |
Changed the company name to the KETT Electric Laboratory. Increased the capital to 20,000,000 yen.
Released rice and wheat moisture analyzer “Riceter”. |
| 1962-65 |
Released leaf tobacco moisture analyzer “TA-1”, coating thickness tester “L-2B” and high-frequency coating thickness tester “HL-1”.
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| 1966-69 |
Released inspection meter “D-4A”, rice and wheat moisture analyzer for producer “SP-1” and gas-type moisture analyzer “U-1”.
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| 1968 |
Completed the extension and structural alteration of the HQ building. Increased the capital to 32,000,000 yen.
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| 1970-74 |
High-frequency rice moisture analyzer PH-70 “Wadi”, compact rice polishing machine “Parlor” , rice and wheat moisture analyzer “Riceter 2”, coating thickness tester “VL-30.
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| 1973 | Established the Osaka office in Higashi-yodogawa-ku of Osaka city. Established the Hiroshima office in Nishi-ku of Hiroshima city. Increased the capital to 48,000,000 yen. |
| 1975-79 | |
| 1977 | Increased the capital to 72,000,000 yen. Established branch offices in Kanazawa, Niigata, Fukuoka, Sendai and Akita. |
| 1980-84 |
Released rice and wheat moisture analyzer “Riceter D”, “Riceter L”, wood moisture tester “Turke” and grain moisture tester “PM-600”.
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| 1985-89 |
Released infrared moisture analyzer “FD-220”, adipometer “F-5000”, rice and wheat moisture analyzer “Riceter E” and coating thickness tester ”L-200”.
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| 1987 | The founder Eisaku Emori died. Received the Fifth Class Order of the Sacred Treasure. Motohiko Emori became the president and representative director. |
| 1990-94 |
Released infrared moisture analyzer “FD-600”,coating thickness tester “L-900””, On-Line Moisture Analyzer “FG-100”, rice and wheat moisture analyzer “Riceter E”.
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| 1996 |
Celebrated the 50th anniversary. Released infrared moisture analyzer “FD-240”,grain moisture tester ”PM-400” and wireless coating thickness tester “L-300W”.
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| 1998 |
Technical center in building 2 across from the HQ building was completed. Acquired ISO9001.
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| 2000-04 | |
| 2005-09 | |
| 2010-11 |
Released dried noodle moisture analyzer “HB-400”, glass rate meter “RN-840”, unpolished/polished rice whiteness meter “C-600”.
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| 2012-13 |
Released coating thickness tester “L-373”, road bridge floor system moisture analyzer “HI-100”, soba moisture analyzer ”PM-630” and iPad app for field crop inspection standard.
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| 2014-15 |
Released infrared moisture analyzer “FD-660”, grain moisture tester “PM-650” and near-infrared moisture analyzer “KB-30”.
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| 2016 | Celebrated the 70th anniversary. Released composition analyser “AN-920”. |
| 2017 |
