Screen's Color Management System for the graphic arts industry. - Nobuaki Usui; Takashi Sakamoto (Device-Independent Color Imaging, 1995)

A New Soft Proofing Method. - Nobuaki Usui; Atsushi Imamura (CIC, 1996)

Print Simulator (The 1st Report). - Nobuaki Usui (PICS, 2000)

In-Place Algorithm for Image Rotation. - Tetsuo Asano; Shinnya Bitou; Mitsuo Motoki; Nobuaki Usui (ISAAC, 2007)

Space-Efficient Algorithm for Image Rotation. - Tetsuo Asano; Shinnya Bitou; Mitsuo Motoki; Nobuaki Usui (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008)

Improvement of Machining Accuracy Through Support Method Using Magnetic Elastomer. - Nobuaki Usui; Akinori Saito (Int. J. Autom. Technol., 2021)