| 2016 | IPIN | A combined approach of Doppler and carrier-based hyperbolic positioning with a multi-channel GPS-pseudolite for indoor localization of robots. | Kenjiro Fujii, Ryosuke Yonezawa, Yoshihiro Sakamoto, Alexander Schmitz, Shigeki Sugano |
| 2012 | IPIN | Doppler positioning with orientation estimation by using multiple transmitters for high-accuracy IMES localization. | Yoshihiro Sakamoto, Takuji Ebinuma, Kenjiro Fujii, Shigeki Sugano |
| 2011 | IPIN | High-accuracy IMES localization using a movable receiver antenna and a three-axis attitude sensor. | Yoshihiro Sakamoto, Hiroaki Arie, Takuji Ebinuma, Kenjiro Fujii, Shigeki Sugano |
| 2008 | ICRA | GPS-based indoor positioning system with multi-channel pseudolite. | Haruhiko Niwa, Kenri Kodaka, Yoshihiro Sakamoto, Masaumi Otake, S. Kawaguchi, Kenjiro Fujii, Yuki Kanemori, Shigeki Sugano |
| 1998 | ICRA | Positioning of Vehicle on Undulating Ground Using GPS and Dead Reckoning. | Toshihiro Aono, Kenjiro Fujii, Shintaro Hatsumoto, Takayuki Kamiya |
| 1997 | IROS | Position estimation and path control of an autonomous land vehicle. | Norihisa Miyake, Toshihiro Aono, Kenjiro Fujii, Yuji Matsuda, Shintaro Hatsumoto |