Design and implementation of a new thin cost effective AC hum based touch sensing keyboard. - Hatem M. Elfekey; Hany Ayad Bastawrous (ICCE, 2013)

Granite-based touch-sensing floor for machinery safety and exergaming. - Hatem M. Elfekey; Hany Ayad Bastawrous (GCCE, 2015)

Flexible ITO-free touch panel based on the effects of extremely low frequency electromagnetic fields. - Hatem M. Elfekey; E. M. Abdel Bary; Hany Ayad Bastawrous (ISCE, 2015)

Turning Surfaces into Touch Panels: A Granite-Touch Pad. - Hatem Elfekey; Shogo Okamoto (AsiaHaptics, 2016)

Colorful Tactile Stimuli. Association Between Colors and Tactile-Display Stimuli on Russell's Psychological Plane. - Hikaru Hasegawa; Ken Itoh; Shogo Okamoto; Hatem Elfekey; Yoji Yamada (AsiaHaptics, 2016)

High-Quality Texture Display: The Use of Vibrotactile and Variable-Friction Stimuli in Conjunction. - Ken Ito; Shogo Okamoto; Hatem Elfekey; Yoji Yamada (AsiaHaptics, 2016)

3D human proximity sensor based on the AC hum effect. - Hatem M. Elfekey; George S. Maximous; Hany Ayad Bastawrous (GCCE, 2016)

A Touch Sensing Technique Using the Effects of Extremely Low Frequency Fields on the Human Body. - Hatem Elfekey; Hany Ayad Bastawrous; Shogo Okamoto (Sensors, 2016)

Localization of touch on granite based on AC hum noise. - Hatem Elfekey; Shogo Okamoto; Yoji Yamada (GCCE, 2017)

Feeling softness on a hard touch panel using an electrostatic tactile texture display. - Ken Ito; Shogo Okamoto; Hatem Elfekey; Hiroyuki Kajimoto; Yoji Yamada (GCCE, 2017)

A texture display using vibrotactile and electrostatic friction stimuli surpasses one based on either type of stimulus. - Ken Ito; Shogo Okamoto; Hatem Elfekey; Hiroyuki Kajimoto; Yoji Yamada (SMC, 2017)

Stochastic Relationships between the Normal and Shear Interaction Forces During Tactile Exploration of Textures. - Hikaru Hasegawa; Shogo Okamoto; Hatem Elfekey; Yoji Yamada (SMC, 2018)