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Notice of Patent Assignment



We are pleased to announce that we have acquired all four of Kumamoto University's patents (three patents held solely by Kumamoto University and one patent held jointly by Kumamoto University and our company) to strengthen our technology development platform,

We are pleased to announce that we have received Kumamoto University's ownership of a total of 4 patents, 3 Kumamoto University independent patents, and 1 patent shared by Kumamoto University and our company, to strengthen the foundation of our technological development.


These patents are for (1) a manufacturing method to realize mass production of sensors, which supports the characteristics of our sensors, and (2) a manufacturing method to realize mass production of sensors, which supports the characteristics of our sensors, (2) Membrane production method that has high temperature and heat resistance and does not contain hazardous lead, thereby reducing environmental impact. Both are important for our future product development and business execution.



Patent number: Patent No. 6811485

 Title of the invention: Coating method

Patent number: Patent No. 6829851

 Title of the invention: Substrate and membrane substrate production method

Patent number: JP No. 7092277

 Title of the invention: Film substrate production method and substrate

Patent number: JP 7066092

 Title of the Invention: Sensor Device and method for producing sensor device


We look forward to continuing to work with you in the future on the demonstration of constant piping monitoring using the CAST sensor and on the study of new applications.

We look forward to your continued inquiries regarding the demonstration of continuous pipe monitoring using the CAST sensor and the consideration of new applications for the sensor.

Thank you in advance.



For more information, please contact



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