Conspicuous Character Patterns. - Seiichi Uchida; Ryoji Hattori; Masakazu Iwamura; Shinichiro Omachi; Koichi Kise (ICDAR, 2009)

A novel high efficiency fixed length coding for video compression based on symbol probability estimation. - Kazuo Sugimoto; Ryoji Hattori; Shun-ichi Sekiguchi (VCIP, 2011)

Fast bypass mode for CABAC. - Ryoji Hattori; Kazuo Sugimoto; Yusuke Itani; Shun-ichi Sekiguchi; Tokumichi Murakami (PCS, 2012)