"Method of fabricating electric field sensor having electric field shield"

C. Park, H. Ko, S. Hong, US 7,759,153 (2010)(issued),

"Ferroelectric Recording Medium"

S. Buehlmann, S. Hong, US 7,660,146 (2010)(issued), JP2007036262A (2006)(filed),

"Nano Imprint Master and Method of Manufacturing the Same"

H. Kim, H. Ko, S. Hong, S. Choa, C. Lim, US 7,968,253 B2 (2011)(issued),

"Semiconductor Probe Structure Using Impact-Ionization Metal Oxide Semiconductor Device, Information Storing Device Therewith and Manufacturing Method Thereof"

H. Ko, B. Park, S. Hong, C. Park, W. Choi, J. Kim, J. Song, S. Kim, US 7,915,109 B2 (2011)(issued),

"Bit Recording Process on Ferroelectric Medium Using Probe or Small Conductive Structure and Recording Medium Thereof"

S. Hong, Y. Kim, K. No, S. Choa, S. Buehlmann, J. Kim, US 7,787,351 B2 (2010)(issued),

"Semiconductor Probe Having Resistive Tip and Method of Fabricating the Same"

H. Ko, J. Jung, S. Hong, C. Park, US 7,759,954 B2 (2010)(issued),

"Electrostatic Actuator and Controller with PWM Driving"

D. Min, J. Lee, S. Hong, US 7,719,162 B2 (2010)(issued),

"Semiconductor Probe Having Embossed Resistive Tip and Method of Fabricating the Same"

J. Jung, J. Lee, H. Shin, J. Kim, S. Hong, US 7,671,616 B2 (2010)(issued),

"Electric Field Read/Write Head and Method of Manufacturing the Same and Data Read/Write Device"

H. Ko, J. Jung, Y. Kim, S. Hong, H. Park, US 7,659,562 B2 (2010)(issued),

"Conductive Layer Including Implanted Metal Ions"

H. Kim, H. Ko, S. Hong, J. Sohn, S. Choa, C. Lim, US 8,349,527 (2013)(issued),

"Apparatus Comprising Substrate and Conductive Layer"

H. Kim, H. Ko, S. Hong, J. Sohn, S. Choa, C. Lim, US 8,523,555 (2013)(issued),

"Information Storage Medium Using Nanocrystal Particles, Method of Manufacturing the Information Storage Apparatus Including the Information Storage Medium"

S. Hong, S. Buehlmann, S. Jun, S. Choa, E. Jang, Y. Kim, US 8,642,155 (2014)(issued),

"Apparatus Comprising Substrate and Conductive Layer"

H. Kim, H. Ko, S. Hong, J. Sohn, S. Choa, C. Lim, US 8,920,153 (2014)(issued),

"Charge Gradient Microscopy"

A. Roelofs, S. Hong, US Patent Application Publication, US2015/0301324 A1 (2015),

"Apparatus and Method for Reproducing Data Using Capacitance Variation"

S. Hong, H. Shin, US 294,605 (2002) (filed), KR 0499125 (2005)(issued),