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 · 139 citations · Full text

Natural Sciences, Chemistry, Earth Sciences +15

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 · 55 citations · Full text

Natural Sciences, Earth Sciences, Geology +9

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 · 49 citations · Full text

Natural Sciences, Astronomy, Earth Sciences +14

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

Akira Yamaguchi, Naotaka Tomioka, Motoo Ito et al. · Nature Astronomy · 2023 · 49 citations · Full text

Natural Sciences, Earth Sciences, Geology +12

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

Natural Sciences, Physics, Optics +10