Suprema Inc.

St Pharm Co., Ltd.

Tae Hoon Lee

Si Woong Yoon

Tae Sung Lee

Jae Hyeok Jeong

Hoongyu Park

Hakwon Kim

Hyunjeong Oh

Disclosed herein are a method for access control using real-time positioning technology and a device using the same. According to a positioning method of a positioning module, the positioning module is configured to measure a location of at least one location-unrecognized device and a location of a terminal, wherein the at least one location-unrecognized device, the terminal and at least one location-recognized device is located in a certain zone, and wherein the positioning module has coordinate information of the at least one location-recognized device and the positioning module has not coordinate information of the at least one location-unrecognized device.

Method for access control using real-time positioning technology and the device using the same

The present invention provides ergostenol glycoside derivatives, method for preventing, treating, or alleviating dermatitis using the same. The present invention also provides a method for preparing the ergostenol and glycoside derivatives thereof. The ergostenol and the glycoside derivatives thereof according to the present invention suppress the production of chemokines increasing according to the skin inflammation stimulation and inhibit the activity of transcriptional factors controlling the expression of various inflammation mediators in the prevention and treatment of dermatitis.

Ergostenol glycoside derivative

Growing community of inventors

Yongin-si, South Korea

Tae Hoon Lee