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Owned Patents

Takasago Thermal Engineering holds the highest number of patents in the industry, demonstrated our technical capabilities. As of the end of March 2025, there are 775 cases (patents / utility model / design / trademark), and the number of patents acquired is 497 in Japan and 9 overseas.

Representative technical fields in which we
hold patents

Technical Field No. of Cases
Construction Methods 51
IDC 36
Water Supply and Drainage/
Fire Extinguishing
31
Heat Storage 29
Measurement 26
Fuel Cells/Hydrogen 26
Air conditioning systems
(air type 14, water type 11)
25
Clean Rooms 24
On-site Management 21
Heat Source Systems 19
Maintenance Management 18
Sterilization/Deodorization 17
Dehumidification 17
CAD 16
Ice - Making 16
Valve/Dumper 13
Automatic Control/
Centralized Monitoring
12