Licenses and Qualifications - Ohtani, Hisakazu

振動関係公害防止管理者, 2005.12

ダイオキシン類関係公害防止管理者, 2008.12

臭気判定士試験合格 (未登録), 2008.12

浄化槽管理士, 2016.01

東京都一級公害防止管理者 (旧制度), 1989.11

Explosives Handling and Safety Engineer (Class A), 2005.11

High Pressure Gas Production Safety Management Certificate (Class A-Chemical), 2013.02

High Pressure Gas Production Safety Management Certificate (Class 2 Refrigeration), 2005.01

High Pressure Gas Sales Safety Chief Certificates (Class 2), 2014.02

Operations Chief of the Work for Handling Specified Class-1 Pressure Vessel, 2006.05

1st Class Technical Radio Operator for On-The-Ground Services, 2005.02

1st Class Radio Electronic Certificate (ITU), 2005.04

Radiotelephone Operator's General Certificate for the Aeronautical Mobile Service and Aeronautical Mobile-Satellite Service (ITU), 1993.10

1st Class Amateur Radio Operator, 1993.06

Flight Radio Operator (CICA), 2005.06

Chief Telecommunications Engineer (Transmission and Switching), 2005.05

Chief Telecommunications Engineer (Line), 2006.02

Applied Information Technology Engineer, 2013.06

Information Technology Engineer (Information Security Management Examination), 2016.05

Analog and Digital Installation Technician, 2005.06