Yasuyuki Okuma

0.5-V input digital LDO with 98.7% current efficiency and 2.7-µA quiescent current in 65nm CMOS

Yasuyuki Okuma, Koichi Ishida, Yoshikatsu Ryu et al. · 2010 · 158 citations

Low-power Electronics, Electrical Engineering, Conventional Ldo +9

Startup Techniques for 95 mV Step-Up Converter by Capacitor Pass-On Scheme and ${\rm V}_{\rm TH}$-Tuned Oscillator With Fixed Charge Programming

Po-Hung Chen, Koichi Ishida, Katsuyuki Ikeuchi et al. · IEEE Journal of Solid-State Circuits · 2012 · 133 citations

Low-power Electronics, Fixed Charge Programming, Electrical Engineering +15

A prospective study of falls in relation to freezing of gait and response fluctuations in Parkinson's disease

Yasuyuki Okuma, Ana Lígia Silva de Lima, Jiro Fukae et al. · Parkinsonism & Related Disorders · 2017 · 113 citations

Fall Prevention, Gait Analysis, Parkinson Disease +8

Disorder in reciprocal innervation upon initiation of voluntary movement in patients with Parkinson's disease

Atsushi Hayashi, Yasuhiro Kagamihara, Yasoichi Nakajima et al. · Experimental Brain Research · 1988 · 89 citations

Motor Dysfunction, Neurophysiology, Neuroanatomy +14

Reciprocal Ia inhibition in patients with asymmetric spinal spasticity

Yasuyuki Okuma, Yoshikuni Mizuno, Robert G. Lee · Clinical Neurophysiology · 2002 · 78 citations

Spinal Cord Injury, Kinesiology, Reciprocal Ia Inhibition +4