Kunio Hirao

Interaction between comet Halley and the interplanetary magnetic field observed by Sakigake

Takao Saito, K. Yumoto, Kunio Hirao et al. · Nature · 1986 · 60 citations

Natural Sciences, Astronomy, Physics +13

An Improved Type of Electron Temperature Probe

Kunio Hirao, Oyama Koh-Ichiro · Journal of geomagnetism and geoelectricity · 1970 · 41 citations · Full text

Natural Sciences, Geophysics, Physics +9

Application of a glass-sealed Langmuir probe to ionosphere study

Oyama Koh-Ichiro, Kunio Hirao · Review of Scientific Instruments · 1976 · 29 citations

Natural Sciences, Physics, Instrumentation +8

Inaccuracies in electron density estimates due to surface contamination of Langmuir probes

K.‐I. Oyama, Kunio Hirao · Planetary and Space Science · 1976 · 27 citations

Natural Sciences, Materials Science, Instrumentation +9

Distortions of the energy distribution of ionospheric thermal electrons near the focus of Sq current vortex

K.‐I. Oyama, Kunio Hirao · Planetary and Space Science · 1979 · 22 citations

Natural Sciences, Earth Sciences, Physics +12