Construction of main office building.
Establishment of former company Rormanscape & Build Co.,Ltd
The company name changed to SOKEI Corporation.
Development of Frame-Stone method.
Establishment of Biotope Committee’s Development Division
Development of RcS (single unit)
Development of ABS method (shaft type)
Along with business expansion, established sales office at Tokyo.
Joined Multi-natural River Development Association.
Increased capital to 22,000 (thousand yen).
Trial production of Round Stone method.
First application of Round Stone method completed.
Construction of training facility SOGAKU HOUSE.
Development of SK-anchor Stone method.
New sales lineup called SK-soil (premixed) released.
Development of RcS mini type.
Development of RcS mesh-frame type.
Development of Anchor-tough Stone.
