Chang Hee Han

Title: Chang Hee Han: Innovator in Skin Measurement Technology

Introduction

Chang Hee Han is a notable inventor based in Gyeonggi-do, South Korea. He has made significant contributions to the field of skin measurement technology, holding a total of 3 patents. His innovative devices focus on measuring transepidermal water loss and skin moisture levels, which are crucial for skincare applications.

Latest Patents

One of his latest patents is a device for measuring transepidermal water loss and a skin care system using the same. This device features a cylindrical closed chamber that comes into contact with the skin to measure the rate of water loss. It includes a measurement unit that detects humidity levels and changes within the chamber, providing accurate readings of transepidermal water loss.

Another significant patent is a skin measuring apparatus that utilizes a voltage application electrode and a current detection electrode. This apparatus measures skin moisture levels by applying a sinusoidal wave voltage to the skin, allowing for the detection of current output. The device calculates impedance and admittance signals to determine skin moisture levels and sweat production rates, enhancing the precision of skin analysis.

Career Highlights

Chang Hee Han has worked with prominent companies such as Gpower Inc. and Samsung Electronics Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced skin measurement technologies.

Collaborations

Throughout his career, Chang Hee Han has collaborated with notable individuals, including Deug Ki Lee and Tae Il Kim. These collaborations have further enriched his work and innovations in the field.

Conclusion

Chang Hee Han is a pioneering inventor whose work in skin measurement technology has led to significant advancements in skincare applications. His patents reflect a commitment to improving the accuracy and effectiveness of skin analysis, making him a valuable contributor to the field.