Ryoji Hirose

Sakkoken KK provides inspection confirmation, performance evaluation, and survey diagnosis businesses. Its services include conformance certification for housing finance support organizations; housing performance evaluation works; long-term excellent housing technical examination works; housing defect guarantee liability insurance business; investigation, diagnosis, inspection and appraisal of building works; seismic standard conformity certification business; seismic investigation and seismic diagnosis; and others. The company was founded on October 1, 1974 and is headquartered in Sapporo, Japan.

Sakkoken KK provides inspection confirmation, performance evaluation, and survey diagnosis businesses. Its services include conformance certification for housing finance support organizations; housing performance evaluation works; long-term excellent housing technical examination works; housing defect guarantee liability insurance business; investigation, diagnosis, inspection and appraisal of building works; seismic standard conformity certification business; seismic investigation and seismic diagnosis; and others. The company was founded on October 1, 1974 and is headquartered in Sapporo, Japan.

Sakkoken KK provides inspection confirmation, performance evaluation, and survey diagnosis businesses. Its services include conformance certification for housing finance support organizations; housing performance evaluation works; long-term excellent housing technical examination works; housing defect guarantee liability insurance business; investigation, diagnosis, inspection and appraisal of building works; seismic standard conformity certification business; seismic investigation and seismic diagnosis; and others. The company was founded on October 1, 1974 and is headquartered in Sapporo, Japan.

Sakkoken KK provides inspection confirmation, performance evaluation, and survey diagnosis businesses. Its services include conformance certification for housing finance support organizations; housing performance evaluation works; long-term excellent housing technical examination works; housing defect guarantee liability insurance business; investigation, diagnosis, inspection and appraisal of building works; seismic standard conformity certification business; seismic investigation and seismic diagnosis; and others. The company was founded on October 1, 1974 and is headquartered in Sapporo, Japan.

Sakkoken KK provides inspection confirmation, performance evaluation, and survey diagnosis businesses. Its services include conformance certification for housing finance support organizations; housing performance evaluation works; long-term excellent housing technical examination works; housing defect guarantee liability insurance business; investigation, diagnosis, inspection and appraisal of building works; seismic standard conformity certification business; seismic investigation and seismic diagnosis; and others. The company was founded on October 1, 1974 and is headquartered in Sapporo, Japan.