| 2012 | APCC | Novel cognitive radio technique for using white space in public cellular networks. | Hiromasa Fujii, Shunji Miura, Hidetoshi Kayama |
| 2012 | APCC | An adaptive non-linear distortion noise control method for spectrum sharing systems. | Seiichiro Okamoto, Shigeru Tomisato, Hiromasa Fujii, Masaharu Hata, Shunji Miura, Hidetoshi Kayama |
| 2012 | VTC | Non-Linear Distortion Noise Control by Clipping and Filtering in Spectrum Sharing Systems. | Seiichiro Okamoto, Shigeru Tomisato, Hiromasa Fujii, Masaharu Hata, Shunji Miura, Hidetoshi Kayama |
| 2011 | VTC | Achievable Capacity of Open-Access Cognitive Radio Systems Coexisting with a Macro Cellular System. | Hiromasa Fujii, Hiroki Harada, Shunji Miura, Hidetoshi Kayama |
| 2010 | VTC | Optimum Weighting for Adaptive Array Antennas under Spectrum Sharing Environments. | Hiromasa Fujii, Takahiro Asai, Tomoyuki Ohya |
| 2009 | PIMRC | An adaptive soft clipping method for spectrum sharing OFDMA systems. | Toshihisa Fujiwara, Shigeru Tomisato, Masaharu Hata, Hiromasa Fujii, Takahiro Asai, Yukihiko Okumura |
| 2009 | VTC | Method for Estimating Representative Values of Clutter Heights for Recommendation ITU-R P.452. | Hiromasa Fujii, Akio Sato |
| 2008 | VTC | Theoretical Capacity and Outage Rate of OFDMA Cellular System with Fractional Frequency Reuse. | Hiromasa Fujii, Hitoshi Yoshino |
| 2006 | VTC | Sequential Search Method with Different Thresholds for Clipped Power for OFDM Signal. | Jiyun Shen, Hiromasa Fujii, Takahiro Asai, Hitoshi Yoshino |
| 2005 | PIMRC | Peripheral-state sense multiple access/interference control (PSMA/IC) for distributed radio resource management. | Hiromasa Fujii, Takatosi Sugiyama, Hitoshi Yoshino |