Prefetching architecture for hot-spotted networks. - Naoki Imai; Hiroyuki Morikawa; Tomonori Aoyama (ICC, 2001)

Flexible and seamless service migration for real-time communication with ubiquitous and heterogeneous networked resources. - Naoki Imai; Manabu Isomura; Hiroki Horiuchi (GLOBECOM, 2004)

A unified resource switching for real-time communication in a ubiquitous networking environment. - Naoki Imai; Manabu Isomura; Hiroki Horiuchi (GLOBECOM, 2005)

Multi-Device Seamless Service by User-Oriented Session in All-IP Network. - Naoki Imai; Manabu Isomura; Hiroki Horiuchi (ICC, 2007)

Dynamic Session Modification between Multiple Devices in the IMS/MMD Architecture. - Naoki Imai; Manabu Isomura; Akira Idoue; Hiroki Horiuchi; Tomohiro Ubukata; Yasunobu Chiba; Shintaro Uno (WCNC, 2008)

A consolidated power saving architecture accommodating push-type applications for dual-mode devices. - Naoki Imai; Manabu Isomura; Kiyohito Yoshihara (ISCC, 2010)

An integration method for wireless location using mobile phone built-in sensors and TDOA landmarks. - Mingmei Li; Naoki Imai; Kiyohito Yoshihara (IoTSP@CoNEXT, 2011)

A Proposal on Direction Estimation between Devices Using Acoustic Waves. - Yasutaka Nishimura; Naoki Imai; Kiyohito Yoshihara (MobiQuitous, 2011)

A power-saving standby method to extend battery life in dual-mode cellular phones. - Naoki Imai; Kiyohito Yoshihara (CCNC, 2012)

An Integration Method for Wireless Location Using Built-in Sensors of Mobile Phones and TDOA Landmarks. - Mingmei Li; Naoki Imai; Kiyohito Yoshihara (J. Inf. Process., 2012)