Left to Right: 1927: Daiji Okawara (front row, left) in the company's early days,
The through-air dryer when it was initially developed,
Manure dryer from around 1964 and
SLUDGE DRYER (Mandarin orange peel processing plant)
Founding Period: A Manufacturer of Machinery for Tea Production
1927Okawara Manufacturing Company established by its first president, Daiji Okawara, as a private company in Kando, Yoshida-cho, Haibara County, Shizuoka Prefecture, and begins manufacturing Okawara-style dryers for tea production.
1945Company incorporates, and changes its name to Okawara Manufacturing Company, Ltd.
1948Becomes a joint-stock corporation.
1952Invents the Okawara Tamaryokucha Green Tea Machine, and receives an award for the invention from the governor of Shizuoka Prefecture.
Development into a Manufacturer Specializing in Drying Equipment, and Pursuit of Environmental-Related
1956Develops a through-air dryer. Expands into food products, agricultural and marine products, chemical and pharmaceutical products. Establishes itself as a dryer manufacturer.
1962Develops a rotary through-air dryer. Applies for patents in Japan and the United States.
1964Develops a livestock manure dryer (with deodorizer). Pioneers the environmental field with the development of a small SLUDGE DRYER.
1969Develops a rotary fluidized-bed dryer. Applies for patents in Japan, the United States, Great Britain, and West Germany. Subsequently receives the '70 CP Idea Prize at the Chemical Plant Show.
1971Develops a large SLUDGE DRYER. Vigorously pursues expanded environmental equipment sales.
1973President Daiji Okawara is awarded the Medal with Yellow Ribbon.
1975SLUDGE DRYER receives the Japan Society of Industrial Machinery Manufacturers' Chairman's Award among the Society's 1st Pollution Prevention Equipment Commendations.
1979Chairman Daiji Okawara is awarded the Order of the Sacred Treasure, 4th Class.
1980Develops FREEZE CABIN, a vacuum freeze dryer.
1982Develops ACE, a sludge and waste incinerator and round combustor.
Develops MIXGRAD, a continuous fluidized granulating dryer.
Technical collaboration with Vaclav Feres Co. of Germany for EVAPOR, a centrifugal-flow thin-film vacuum evaporator.
1986Develops SLURRY DRYER, a fluid bed dryer using heating medium balls.
1991Develops FLOW-JET GRANULATOR, a continuous agitating granulator.
1992Develops FUZZY DORINCOM, a fuzzy-controlled sludge dryer and incinerator.
Through technical collaboration with Mitsubishi Heavy Industries and Konica, develops RIBOCONE, a conical ribbon mixer/dryer.
FUZZY DORINCOM receives the Japan Society of Industrial Machinery Manufacturers' Chairman's Award at the Society's 21st Outstanding Environmental Equipment Commendations.
Dealing with Globalization and with Environmental and Energy Problems
1998Obtains certification for meeting the ISO9001 international quality management standard.
1999Develops FV DRYER, a filter vacuum dryer.
2000Purchases Kikkoman Corporation's engineering business.
Develops FLASH EVAPO, a high speed cyclo-flow vacuum evaporator.
Develops INNER TUBE ROTARY, a continuous conduction heat dryer.
2003Establishes Okawara Powder Equipment (Shanghai) Co., Ltd., a fully owned subsidiary in China.
2004HEAPUM FLASH EVAPO, a heat pump-type vacuum evaporator jointly developed with Tokyo Electric Power Company, wins the Japan Institute of Energy's Progress Award (Technology Division).
2008Concludes a sublicensing agreement with Matsubo Corporation for inverting filter centrifuges.
2010Concludes a sales agreement for FLAXIBLE ISOLATORS with Telstar Co. of Spain.
2011Concludes an agency agreement for EVAPOR with Sultrade Praha Ltd. of the Czech Republic.