Concepedia

Takashi Kojima

TK

20

Publications

1.1K

Citations

16

H-Index

1982

Active since

Affiliations

The University of Tokyo(Current)

Kavli Institute for the Physics and Mathematics of the Universe

National Astronomical Observatory of Japan

The Graduate University for Advanced Studies, SOKENDAI

Waseda University

Takashi Kojima is an author at The University of Tokyo specializing in engineering, materials science, and chemistry.

ORCID

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Publications per year

1982–2024

20

Publications

20

Holographic recording in TiO2 nanoparticle-dispersed methacrylate photopolymer films

Naoaki Suzuki, Yasuo Tomita, Takashi Kojima · Applied Physics Letters · 2002 · 225 citations

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Large Population of ALMA Galaxies at z > 6 with Very High [O iii] 88 μm to [C ii] 158 μm Flux Ratios: Evidence of Extremely High Ionization Parameter or PDR Deficit?

Yuichi Harikane, Masami Ouchi, Akio Inoue et al. · The Astrophysical Journal · 2020 · 176 citations · Full text

EMPRESS. VIII. A New Determination of Primordial He Abundance with Extremely Metal-poor Galaxies: A Suggestion of the Lepton Asymmetry and Implications for the Hubble Tension

Akinori Matsumoto, Masami Ouchi, Kimihiko Nakajima et al. · The Astrophysical Journal · 2022 · 89 citations · Full text

SILVERRUSH. VII. Subaru/HSC Identifications of Protocluster Candidates at z ∼ 6–7: Implications for Cosmic Reionization

Ryo Higuchi, Masami Ouchi, Yoshiaki Ono et al. · The Astrophysical Journal · 2019 · 79 citations · Full text

Evolution of N/O abundance ratios and ionization parameters from <i>z</i> ∼ 0 to 2 investigated by the direct temperature method

Takashi Kojima, Masami Ouchi, Kimihiko Nakajima et al. · Publications of the Astronomical Society of Japan · 2017 · 66 citations · Full text

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