Ikuo Okada

A pristine record of outer Solar System materials from asteroid Ryugu’s returned sample

Motoo Ito, Naotaka Tomioka, Masayuki Uesugi et al. · Nature Astronomy · 2022 · 135 citations · Full text

Organic Geochemistry, Pristine Ryugu Particles, Engineering +13

Early fluid activity on Ryugu inferred by isotopic analyses of carbonates and magnetite

Kaitlyn A. McCain, Nozomi Matsuda, Ming‐Chang Liu et al. · Nature Astronomy · 2023 · 54 citations · Full text

Engineering, Fluid Geochemistry, Mineral-fluid Interaction +8

Insight into multi-step geological evolution of C-type asteroids from Ryugu particles

Akira Yamaguchi, Naotaka Tomioka, Motoo Ito et al. · Nature Astronomy · 2023 · 45 citations · Full text

Engineering, Asteroid, Geology +5

Oxygen isotope evidence from Ryugu samples for early water delivery to Earth by CI chondrites

R. C. Greenwood, I. A. Franchi, Ross Findlay et al. · Nature Astronomy · 2022 · 44 citations · Full text

A plasma x-ray source for x-ray lithography

Ikuo Okada, Y. Saitoh, S. Itabashi et al. · Journal of Vacuum Science & Technology B Microelectronics Processing and Phenomena · 1986 · 43 citations

Axial X-ray Exposure, Engineering, Plasma Science +19