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Our challenges to soil steaming

In 1964, we proposed “Thermal sterilization by steam” as a solution for “Soil-infectious plant diseases caused by year-round cultivation of muskmelons” which was a serious issue in the west part of Shizuoka prefecture then with the cooperation of Shizuoka Prefectural Research Institute of Agriculture and Forestry and Fruit, Vegetable, and Flower Promotion Division of Prefectural government.

Since then, our products have been widely used by advanced gardening producers all over Japan. National and prefectural research and development institutes, agricultural colleges and high schools, and innovative companies related to seeds and seedlings and biotechnology have also selected our products.

Soil steamer first issue machine of the 1964 development

Company Profile

Company Name Marubun Seisakusyo Co., Ltd.
Company Address 8-23 Hagioka 5-chome, Naka-ku, Hamamatsu-shi, Shizuoka 433-8121
TEL 053-471-9197 (main)
FAX 053-471-9198
Founded June 1936
Established October 1965
Representative Director Takafumi Matsui
Capital 15 million yen
Main bank Shizuoka bank / Hamamatsu Shinkin Bank
Main business activities
  • Soil steamer production and sales
  • Soil steamer by the low temperature steam production and sales
  • Steam weeder production and sales
  • Hot water soil disinfecter production and sales
  • Styrene panel steamer production and sales
  • Hot water boiler for gardening heater production and sales
Affiliated company
  • Marubun Kochi Hanbai Limited
Group membership
  • Japan Boiler Association
  • The Hamamatsu Chamber of Commerce and Industry
  • Limited Liability Partnership Tenryu Woody Biomass Partnership

Company History

1936 Ex-president Bunpei Matsui founded Marubun Seisakusyo with the aim to produce hot water boilers for gardening at 474 Noguchi-cho, Hamamatsu-shi.
1936 Matsui-system perfect combustion water heater can was certified as a Utility Model.
1943 Stopped boiler production under government control during World War II.
1955 Restarted production of hot water boiler for heating for gardening.
1963 Universal hot water boiler was certified as a Utility Model. (No. 770486)
1964 Developed soil steamer with the cooperation of Shizuoka Prefectural Research Institute of Agriculture and Forestry and Fruit, Vegetable, and Flower Promotion Division of Prefectural government.
1965 Incorporated the organization and established Marubun Seisakusyo Co., Ltd.
1965 Obtained Constructor’s License of Shizuoka prefectural governor. (Machine and equipment installment)
1979 Constructed Iwata plant in Toyoda-town, Iwata-gun.
1979 Developed woody solid fuel pellet burning full automatic boiler.
1983 Received the subsidy to support small and medium-sized companies for technical research and development by Shizuoka prefecture.
1985 Developed Soil steamer by the low temperature steam.
1991 Started development of steam weeder for golf course by joint development with Chiba-Ken Agricultural Experiment Station. (No. 253715)
1993 Successfully developed soil steamer for sand pit “Sand safeter” with the cooperation of Hamamatsu hygiene inspection center. (No. 79680)
1996 Successfully developed hot water soil disinfecter with the cooperation of the Soilborn Disease Laboratory of National Agricultural Research Center, Ministry of Agriculture, Forestry and Fisheries.
1998 Developed 4 large-size models: SB-500, 550, 600 and 700 as the model to treat de-methyl bromide.
2000 Established Marubun Kochi Hanbai Limited in Tosa-shi, Kochi.
2001 Launched a new product “Light Hose” as a replacement of Canvas Hose.
2004 Patent granted to “Light Hose” for steam discharge in steaming and sprinkling method.
2008 Joined Limited Liability Partnership Tenryu Woody Biomass Partnership
2009 Joined the dealing on Domestic Clean Development Mechanism with Sony Corporation as a related business operator of Enshu woody fuel utilizaion association.
2009 Started joint study regarding “Practical application of the technology to prevent decrease and recover the yield of soy beans repeatedly cultivated on converted field” with Kyoto.
2009 Developed and launched steam weeder.
2010 Started joint study regarding “Development of the technology to exterminate the underground seeds of hardly controllable weeds for land-use type crops using steam weeder” with National Agriculture Research Center (Tsukuba) and others.
2012 Patent granted to “Air suction nozzle.”
2015 Celebrated 50th anniversary of incorporation.

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