Spoken word recognition system for unlimited speakers. - Ken'iti Kido; Jouji Miwa; Shozo Makino; Yoshihiro Niitsu (ICASSP, 1978)

Walking support by dangerous obstacles notification using an electronic white cane. - Yoshihiro Niitsu; Saki Itoh; Shinya Kitahara; Hiroya Minami; Michio Shimomura (APCC, 2012)

Detection and notification of dangerous obstacles and places for visually impaired persons using a smart cane. - Yoshihiro Niitsu; Toshiki Taniguchi; Kouichiro Kawashima (ICMU, 2014)

A message reduction scheme for DTN by using positional information. - Yoshihiro Niitsu; Tatsuhiro Hyuga; Yuki Shibuya (ICTC, 2014)

Presumption method of psychological pressure state using biological sensors. - Yasunori Hasegawa; Yoshihiro Niitsu (ICTC, 2015)

Power utilization efficiency improvement method for DTN using a message ferry. - Yoshihiro Niitsu; Tsubasa Sakuma; Hiroyuki Date (ICUFN, 2016)

Brain's Stress Observation System Using 2-Channels NIRS Based on Classroom Activity. - Kant Sunthad; Yoshihiro Niitsu; Masahiro Inoue; Taketoshi Yokemura (ICCE, 2019)

Mutual Authentication Method in Public Wireless LAN by Using BLE Beacon. - Yoshihiro Niitsu; Shunsuke Sakai; Kouta Tezuka (ICUFN, 2019)