Hisao Nishikawa

Chronic cerebral hypoperfusion by permanent internal carotid ligation produces learning impairment without brain damage in rats

Hiroyuki Ohta, Hisao Nishikawa, Hironobu Kimura et al. · Neuroscience · 1997 · 190 citations

Cerebral Vascular Regulation, Brain Damage, Chronic Cerebral Hypoperfusion +13

Synthesis of a Novel Series of Tricyclic Indan Derivatives as Melatonin Receptor Agonists

Osamu Uchikawa, K. Fukatsu, Ryosuke Tokunoh et al. · Journal of Medicinal Chemistry · 2002 · 133 citations · Full text

Sleep Disorders, Pharmacotherapy, Heterocycle Chemistry +18

Ramelteon (TAK-375) Accelerates Reentrainment of Circadian Rhythm after a Phase Advance of the Light-Dark Cycle in Rats

Keisuke Hirai, Muneto Kita, Hiroyuki Ohta et al. · Journal of Biological Rhythms · 2005 · 94 citations

Neuropsychology, Phase Advance, Homeostatic Mechanism +25

The Sleep-Promoting Action of Ramelteon (TAK-375) in Freely Moving Cats

Masaomi Miyamoto, Hisao Nishikawa, Yayoi Doken et al. · SLEEP · 2004 · 74 citations

Effects of ramelteon (TAK-375) on nocturnal sleep in freely moving monkeys

Nobuhito Yukuhiro, Hiroyuki Kimura, Hisao Nishikawa et al. · Brain Research · 2004 · 66 citations

Sleep Disorders, Sleep, Sleep Disorder +14