Separating Encryption and Key Issuance in Digital Rights Management Systems. - Goichiro Hanaoka; Kazuto Ogawa; Itsuro Murota; Go Ohtake; Keigo Majima; Kimiyuki Oyamada; Seiichi Gohshi; Seiichi Namba; Hideki Imai (ACISP, 2003)

Managing Encryption and Key Publication Independently in Digital Rights Management Systems. - Goichiro Hanaoka; Kazuto Ogawa; Itsuro Murota; Go Ohtake; Keigo Majima; Seiichi Gohshi; Kimiyuki Oyamada; Seiichi Namba; Hideki Imai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2004)

Optical Fiber Transmission Technologies for Digital Terrestrial Broadcasting Signals. - Mikio Maeda; Tsuyoshi Nakatogawa; Kimiyuki Oyamada (IEICE Trans. Commun., 2005)

1024-QAM demodulator robust to phase noise of cable STB tuners. - Takuya Kurakake; Naoyoshi Nakamura; Kimiyuki Oyamada (IEEE Trans. Consumer Electron., 2005)

Ultra-High-Definition Television and Its Optical Transmission. - Kimiyuki Oyamada; Tsuyoshi Nakatogawa; Madoka Nakamura (IEICE Trans. Commun., 2011)

An UHDTV cable television distribution in combinations of multiple 64 and 256 QAM channels. - Yoshitaka Hakamada; Naoyoshi Nakamura; Kimiyuki Oyamada; Takuya Kurakake; Takeshi Kusakabe (ICCE, 2013)

Progress of Transmission Technologies for UDTV. - Kimiyuki Oyamada; Satoshi Okabe; Katsunori Aoki; Yoichi Suzuki (Proc. IEEE, 2013)