An operations advisor for an on-line computer banking system with graphics interface. - S. Ishii; T. Abe; Y. Hidai; A. Tanaka (IEA/AIE (2), 1989)

Optical 16-QAM signal homodyne detection by extracting +/-π/4 and +/-3π/4-phase symbols. - Akira Mizutori; T. Abe; Takahisa Kodama; Masafumi Koga (OFC, 2017)