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Faculty of Agro-Industry, Chiang Mai University, extends its congratulations to Pornchai Rachtanapun on being granted an invention patent for the research entitled “Temperature and Time Indicator Material and Method for Producing the Same.”

13 May 2026
Faculty of Agro-Industry
The patent application was filed under application number 1901001252 on February 28, 2019, in the name of Chiang Mai University, and has officially been granted by the Department of Intellectual Property, Thailand.

This research represents an important innovation in fruit ripeness monitoring technology, contributing to improved quality control, reduction of post-harvest losses, and value enhancement of agricultural products in Thailand. The achievement reflects the strong research and innovation capabilities of Chiang Mai University in developing practical knowledge and technologies that benefit industry and society.

The Faculty of Agro-Industry, Chiang Mai University, extends its sincere congratulations on this remarkable accomplishment and wishes Professor Dr. Pornchai Rachtanapun continued success in creating impactful research and innovations for the nation and society.
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