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Ho-Geun
Ho-Geun Choi, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090039054 | ETCHING APPARATUS OF GLASS SUBSTRATE FOR FLAT PANEL DISPLAY AND METHOD OF ECTCHING GLASS SUBSTRATE FOR FLAT PANEL DISPLAY USING THE SAME - An etching apparatus of a glass substrate for a flat panel display includes an etching chamber configured to receive a jig, glass substrates disposed on the jig, a holding member connected to the jig to hold the glass substrates, a transferring line connected to the jig to transfer the jig into the etching chamber, and a spray member which sprays an etchant onto surfaces of the glass substrates. A spray pressure of the etchant is equal to or greater than approximately 0.1 kg/cm | 02-12-2009 |
Ho-Geun Jo, Cheonju-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110020745 | Electrostatic Image Developing Toner - The present invention relates to, in the toner including toner particles having a biding agent resin, colorings and a release agent, an electrostatic image developing toner, its composition, and a preparation method thereof. The electrostatic image developing toner is prepared by the method comprising: | 01-27-2011 |
Ho-Geun Yoon, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20090324494 | MAGNETIC NANO-COMPOSITE FOR CONTRAST AGENT, INTELLIGENT CONTRAST AGENT, DRUG DELIVERY AGENT FOR SIMULTANEOUS DIAGNOSIS AND TREATMENT, AND SEPARATION AGENT FOR TARGET SUBSTANCE - The present invention relates to water soluble magnetic nanocomposite using an amphiphilic compound. Specifically, the present invention relates to water soluble magnetic nanocomposite which may be not only used as a contrast agent for magnetic resonance imaging (MRI), an intelligent contrast agent for diagnosing cancer characterized by binding a tissue-specific binder ingredient, a drug delivery system for simultaneous diagnosis and treatment by polymerizing or enveloping drugs and binding a tissue-specific binder ingredient, but also used for separating a target substance using magnetism, and a process for preparing the same. | 12-31-2009 |