Changed shape of key: an approach to enhance the performance of the soft keyboard. - Hsi-Jen Chen (Mobile HCI, 2014)

Investigating the Behavior of Sequence Typing on the Mobile Devices. - Hsi-Jen Chen; Chia-Ming Kuo; Yung-Chueh Cheng (HCI (2), 2018)

Design of Health Control Applied to Elderly People's Resistance Exercise Device. - Tang-Yung Hsu; Hsi-Jen Chen; Fong-Gong Wu (AHFE (21), 2019)

Investigation of the Effect of Letter Labeling Positions on Consecutive Typing on Mobile Devices. - Hsi-Jen Chen; Chia-Ming Kuo (HCI (2), 2019)

Design and Evaluation of the System Device for Mitigation of the Low Back Pain Among Veterinarians. - Tzu-Lien Chou; Hsi-Jen Chen; Fong-Gong Wu (HCI (16), 2019)

Designing an Interactive Device to Slow Progression of Alzheimer's Disease. - Ting-Ya Huang; Hsi-Jen Chen; Fong-Gong Wu (HCI (15), 2019)

The Gamer Types of Seniors and Gamification Strategies Toward Physical Activity. - Chia-Ming Kuo; Hsi-Jen Chen (HCI (28), 2019)

The Kansei Research on the Manipulation Experience of Mobile Game with Joystick. - Hsin-Jung Chen; Hsi-Jen Chen (HCI (43), 2020)

The Effect of Different Icon Shape and Width on Touch Behavior. - Yung-Chueh Cheng; Hsi-Jen Chen; Wei-Hsiang Hung (HCI (43), 2020)

The Kansei Images of Blister Packaging Through Tactile Perception. - Shang-Ru Yu; Hsi-Jen Chen (HCI (41), 2020)

Integrating SSTQUAL, Kano Model and Attractiveness Engineering to Analyze User's Emotional Needs in Self Check-in Service. - Hsuan-Min Hsu; Hsi-Jen Chen (HCI (1), 2021)

Elderly-Centered Design: A New Numeric Typeface for Increased Legibility. - Yu-Ren Lai; Hsi-Jen Chen (HCI (3), 2021)

The Moderator of Gamification of Physical Activities in Older Adults. - Hsi-Jen Chen; Yao-Sheng Wu (HCI (42), 2022)

A Real-Time Streaming Application for License Plate Recognition Using OpenALPR. - Hsi-Jen Chen; Halim Fathoni; Zheng-Yao Wang; Kai-Yu Lien; Chao-Tung Yang (SGIoT, 2022)

Integrate Gamification into Questionnaire Design. - Yu-Chen Chen; Chin-Ying Chen; Hsi-Jen Chen (HCI (1), 2023)

A Study of the Impact of Different Teaching Methods on Students' Learning in Design Thinking Courses in Taiwan. - Ching-Ya Chen; Hsi-Jen Chen; Chia-Han Yang (HCI (1), 2024)

The Application of Miryoku Engineering to Artists' Books. - Man-Wei Kao; Chia-Han Yang; Hsi-Jen Chen (HCI (5), 2024)

Exploring the Affordance Effect of Visual Properties Associated with Virtual Keyboard Buttons on Smartphones. - Hsi-Jen Chen; Ming-Da Wu; I-Chung Lo; Darby Tien-Hao Chang (Int. J. Hum. Comput. Interact., 2025)