August
2023
Obtains Special Construction Business License.
(Special 5) No. 147169, licensed by the Governor of Tokyo
August
2018
Obtains Special Construction Business License.
(Special 30) No. 147169, licensed by the Governor of Tokyo
April
2018
Increases the capital into 20,000,000 yen
October
2017
Increases the capital into 10,000,000 yen
June
2017
Obtains Ordinary Construction Business License.
(Ordinary 29) No. 147169, licensed by the Governor of Tokyo
April
2017
Receives the transfer of burner-related business from thyssenkrupp Otto K.K.
February
2017
A-Tech Co., Ltd. is established.
Receives the transfer of combustion-related business and recycling-related business from thyssenkrupp Otto K.K.
2011
Transfers all its stocks to ThyssenKrupp Uhde GmbH and becomes a group company.
2006
The Plant Business Division is divided into the Engineering 1 Division and Engineering 2 Division, and the Pool Business Division is reorganized as the Aqua Amenity Business Division.
1991
Kazuya Sakamoto receives the transfer of all stocks held by Dr. C. Otto & Comp. and dissolves the capital tie-up except business alliance. The company becomes a wholly Japanese-owned corporation, and the company name is changed to OTTO Co., Ltd.
Japan OTTO Co., Ltd. merges with COTEX Co., Ltd., and the company name is changed to OTTO Co., Ltd. The new long-term management plan, "Recreation of OTTO," is initiated.
1989
Japan Combustion Systems Co., Ltd. changes its name to COTEX Co., Ltd.
Yokogawa Electric Corporation acquires a 20% stake in COTEX Co., Ltd.
1982
Japan Combustion Systems Co., Ltd., is established as a subsidiary.
Begins business in the field of heat/combustion and incineration engineering.
1975
Kazuya Sakamoto becomes the representative director, succeeding the director dispatched from Dr. C. Otto & Comp.
All stocks held by The Japan Steel Works, Ltd. are transferred to Tomen Corporation.
1952
Japan OTTO Co., Ltd. is established as the exclusive Japanese agent of Dr. C. Otto & Comp. in former West Germany.
Shareholding ratios are as follows: Dr. C. Otto & Comp.; 74%, Kawasaki Heavy Industries, Ltd.; 13%, The Japan Steel Works, Ltd.; 13%.
