Patent Information
Our company files and registers patents both in Japan and overseas.
Countries with registered patents
| China | South Korea | |
| Taiwan | Japan |
Number of Patents
(as of July 2025)
(as of July 2025)
Registrations: 189
(Among them are 54 semiconductor-related patents registered and 49 electronic component-related patents registered)
Registered Patents
(Selection)
(Selection)
For Semiconductors
- Precise heat treatment and cost-effective vertical furnaces
- Gas feeding method for heat treatment
- Process tube sealing method
- Air flow control of heated atmosphere and its simplification
For FPD
- Energy-saving glass substrate heat treatment equipment
- Glass substrate supporting method
For Electronic Components
- Belt conveyor-type heat treatment equipment
- Gas feeding method for heat treatment
- Prevention of damage on superheated steam sensors due to condensation
For Industrial Furnaces
- Oil quenching method
- Atmosphere controlling methods for continuous carburizing furnaces