Inscribed fitting method with asymmetric evaluation function for disaggregating current waveforms. - Fumihiko Ishiyama; Toshio Watanabe; Hiroshi Inoue; Takashi Ohyama (ICCE-Berlin, 2015)

Local linear predictive coding for high resolution time-frequency analysis. - Fumihiko Ishiyama (ISSPIT, 2017)

Live line aging estimation of AC adapters. - Fumihiko Ishiyama; Yohei Toriumi (ISSPIT, 2018)

Aging Estimation of an AC Adapter from Generated Electromagnetic Noise. - Fumihiko Ishiyama; Yohei Toriumi (ISSPIT, 2020)

Nonlinear trend of COVID-19 infection time series. - Fumihiko Ishiyama (CoRR, 2024)

Refreshing idea on Fourier analysis. - Fumihiko Ishiyama (CoRR, 2025)