| 2006 | IWCMC | A multi-rate CDMA system with block-spreading schemes for anti-interference and high frequency efficiency. | Mitsuhiro Tomita, Noriyoshi Kuroyanagi, Kohei Ohtake, Naoki Suehiro, Shinya Matsufuji |
| 2002 | ISCC | Very efficient wireless frequency usage by coherent addition of multipath signals using ZCCZ sequence set. | Naoki Suehiro, Toshiaki Imoto, Noriyoshi Kuroyanagi |
| 2002 | PIMRC | Error rate performance improvement for a decorrelating CDMA receiver by introducing additional dummy pilot response. | Mitsuhiro Tomita, Noriyoshi Kuroyanagi, Satoru Ozawa, Naoki Suehiro |
| 2000 | PIMRC | Very efficient frequency usage system using convolutional spread time signals based on complete complementary code. | Naoki Suehiro, Noriyoshi Kuroyanagi, Toshiaki Imoto, Shinya Matsufuji |
| 2000 | PIMRC | An interference canceling receiver with differential frames for high frequency usage CDMA systems. | Mitsuhiro Tomita, Noriyoshi Kuroyanagi, Naoki Suehiro, Shinya Matsufuji, Hironori Ishikawa |
| 1999 | ISCC | Simulation of Multipath-Tolerant Binary Signal Design for Approximately Synchronized CDMA Mobile Communication without Co-Channel Interference nor Detection Sidelobe Using Complete Complementary Codes. | Toshiaki Imoto, Naoki Suehiro, Noriyoshi Kuroyanagi, Pingzhi Fan |
| 1998 | ISCC | Quadriphase M-ary CDMA signal design without co-channel interference for approximately synchronized mobile systems. | Naoki Suehiro, Hideyuki Torii, Shinya Matsufuji, Noriyoshi Kuroyanagi |
| 1995 | PIMRC | Design principle of colored-noise tolerant optimum despreading-code sequences for spread-spectrum systems. | Noriyoshi Kuroyanagi, Kohei Ohtake, Keiko Akiyama |
| 1994 | PIMRC | Proposal of FSK modulated spread spectrum systems for enhancing frequency utilization efficiency. | Noriyoshi Kuroyanagi, Lili Guo, Naoki Suehiro, Kohei Ohtake |