Takashi Oka

11.5k total citations · 4 hit papers
214 papers, 8.4k citations indexed

About

Takashi Oka is a scholar working on Atomic and Molecular Physics, and Optics, Immunology and Molecular Biology. According to data from OpenAlex, Takashi Oka has authored 214 papers receiving a total of 8.4k indexed citations (citations by other indexed papers that have themselves been cited), including 51 papers in Atomic and Molecular Physics, and Optics, 46 papers in Immunology and 32 papers in Molecular Biology. Recurrent topics in Takashi Oka's work include Quantum and electron transport phenomena (30 papers), T-cell and Retrovirus Studies (29 papers) and Physics of Superconductivity and Magnetism (25 papers). Takashi Oka is often cited by papers focused on Quantum and electron transport phenomena (30 papers), T-cell and Retrovirus Studies (29 papers) and Physics of Superconductivity and Magnetism (25 papers). Takashi Oka collaborates with scholars based in Japan, United States and Germany. Takashi Oka's co-authors include Hideo Aoki, Philipp Werner, Naoto Tsuji, Takuya Kitagawa, Arne Brataas, Liang Fu, Eugene Demler, Martin Eckstein, Ryuji Suzuki and Yijin Zhang and has published in prestigious journals such as Science, Physical Review Letters and Nature Communications.

In The Last Decade

Takashi Oka

209 papers receiving 8.3k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Photovoltaic Hall effect in graphene

2009 1.0k citations Takashi Oka, Hideo Aoki profile →
Transport properties of nonequilibrium systems under the application of light: Photoinduced quantum Hall insulators without Landau levels

2011 769 citations Takashi Oka et al. profile →
Electrically Switchable Chiral Light-Emitting Transistor

2014 637 citations Takashi Oka et al. profile →
Nonequilibrium dynamical mean-field theory and its applications

2014 505 citations Hideo Aoki, Takashi Oka et al. profile →

Peers

Countries citing papers authored by Takashi Oka

Since Specialization

Citations

This map shows the geographic impact of Takashi Oka's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Takashi Oka with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Takashi Oka more than expected).

Fields of papers citing papers by Takashi Oka

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Takashi Oka. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Takashi Oka. The network helps show where Takashi Oka may publish in the future.

Co-authorship network of co-authors of Takashi Oka

This figure shows the co-authorship network connecting the top 25 collaborators of Takashi Oka. A scholar is included among the top collaborators of Takashi Oka based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Takashi Oka. Takashi Oka is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Light-induced anomalous Hall conductivity in the massive three-dimensional Dirac semimetal Co3Sn2S2 2025 ·Physical review. B. ·N. Yoshikawa, Shun Okumura, (unknown), (unknown), Kohei Fujiwara, Junya Ikeda, (unknown), Takashi Koretsune, Ryotaro Arita, Aditi Mitra, Atsushi Tsukazaki, Takashi Oka, Ryo Shimano	1
2	Enhancing Skin Penetrability of Hyaluronic Acid through Physicochemical Property Control for Improving Effects 2024 ·Journal of Society of Cosmetic Chemists of Japan ·(unknown), (unknown), (unknown), Takashi Oka, Yutaka Ashida, (unknown)	1
3	Disentangling the Competing Mechanisms of Light-Induced Anomalous Hall Conductivity in Three-Dimensional Dirac Semimetal 2023 ·Physical Review Letters ·(unknown), Natsuki Kanda, (unknown), Takuya Matsuda, Manik Goyal, Jun Yoshinobu, Yohei Kobayashi, Takashi Oka, Susanne Stemmer, Ryusuke Matsunaga	13
4	Demonstration of geometric diabatic control of quantum states 2023 ·Physical review. A ·Kento Sasaki, (unknown), Tokuyuki Teraji, Takashi Oka, Kensuke Kobayashi	0
5	Hidden kagome-lattice picture and origin of high conductivity in delafossite PtCoO<sub>2</sub> 2019 ·MPG.PuRe (Max Planck Society) ·Hidetomo Usui, Masayuki Ochi, Sota Kitamura, Takashi Oka, (unknown), H. Rösner, M. W. Haverkort, Veronika Sunko, P. D. C. King, A. P. Mackenzie, Kazuhiko Kuroki	11
6	Metabolic abnormalities in adult T-cell leukemia/lymphoma and induction of specific leukemic cell death using photodynamic therapy 2018 ·Scientific Reports ·Takashi Oka, (unknown), (unknown), Hirofumi Fujita, Tadashi Yoshino, Yoshihisa Yamano, Kozo Utsumi, Tsutomu Masujima, Atae Utsunomiya	8
7	DSM‐5‐defined ‘mixed features’ and Benazzi's mixed depression: Which is practically useful to discriminate bipolar disorder from unipolar depression in patients with depression? 2014 ·Psychiatry and Clinical Neurosciences ·Minoru Takeshima, Takashi Oka	43
8	Association between the so-called “activation syndrome” and bipolar II disorder, a related disorder, and bipolar suggestive features in outpatients with depression 2013 ·Journal of Affective Disorders ·Minoru Takeshima, Takashi Oka	23
9	Characterization of soil properties during the filling process by CPT 2011 ·Japanese Geotechnical Journal ·Takashi Oka, Hiroyuki Tanaka, (unknown), (unknown)	1
10	Rational Approach to the Synthesis, Evaluation, and ⁶⁸ Ga Labeling of a Novel 4-Anilinoquinoline Epidermal Growth Factor Receptor Inhibitor as a New Imaging Agent That Selectively Targets the Epidermal Growth Factor Receptor Tyrosine Kinase 2010 ·Cancer Biotherapy and Radiopharmaceuticals ·(unknown), Nobukazu Takahashi, Masaaki Shiina, Keisuke Hamada, Yuuki Takada, Hisashi Endo, Ukihide Tateishi, Takashi Oka, Kazuhiro Ogata, Tomio Inoue	8
11	Multi-Step Aberrant CpG Island Hyper-Methylation Is Associated with the Progression of Adult T–Cell Leukemia/Lymphoma 2009 ·American Journal Of Pathology ·(unknown), Takashi Oka, (unknown), (unknown), Kana Washio, Masayuki Takano, Katsuyoshi Takata, Toshiaki Morito, (unknown), Maiko Tamura, Yuta Kitamura, Nobuya Ohara, Mamoru Ouchida, Koichi Ohshima, Kenji Shimizu, Mitsune Tanimoto, Kiyoshi Takahashi, Masao Matsuoka, Atae Utsunomiya, Tadashi Yoshino	58
12	Lipopolysaccharide-Induced Epithelial Monoamine Oxidase Mediates Alveolar Bone Loss in a Rat Chronic Wound Model 2009 ·American Journal Of Pathology ·Daisuke Ekuni, James D. Firth, (unknown), Takaaki Tomofuji, Toshihiro Sanbe, Koichiro Irie, Tatsuo Yamamoto, Takashi Oka, (unknown), Juergen R. Vielkind, Edward E. Putnins	39
13	Immunoelectron-microscopic study of CD4- and CD8- positive lymphocytes from healthy donors seropositive for human T-lymphotropic virus type I 2007 ·Biomedical Research-tokyo ·Yuji Ohtsuki, Takashi Oka, (unknown), Tamotsu Takeuchi, (unknown), Mutsuo Furihata, Tadashi Yoshino, Hirokuni Taguchi, Isao Miyoshi	0
14	Duodenal follicular lymphomas share common characteristics with mucosa-associated lymphoid tissue lymphomas 2007 ·Journal of Clinical Pathology ·Yasuharu Sato, Kouichi Ichimura, Takehiro Tanaka, Katsuyoshi Takata, Toshiaki Morito, (unknown), Eisei Kondo, Hiroyuki Yanai, Nobuya Ohara, Takashi Oka, T. Yoshino	60
15	Breakdown of an Electric-Field Driven System: A Mapping to a Quantum Walk 2005 ·Physical Review Letters ·Takashi Oka, Norio Konno, Ryotaro Arita, Hideo Aoki	80
16	Rabbit Model for Human EBV-Associated Hemophagocytic Syndrome (HPS) 2003 ·American Journal Of Pathology ·Kazuhiko Hayashi, Zaishun Jin, (unknown), (unknown), Norihiro Teramoto, Nobuya Ohara, (unknown), Takehiro Tanaka, Yixuan Liu, (unknown), Takashi Oka, Eisei Kondo, Tadashi Yoshino, Kiyoshi Takahashi, Tadaatsu Akagi	18
17	Skin-softening effect of acetylhyaluronate on stratum corneum 1999 ·Journal of the Society of Cosmetic Chemists ·Takashi Oka, (unknown), N Ueno, Toshio Yanaki	1
18	Characterization of flat revertants isolated from cells transformed by Abelson murine leukemia virus (Ab‐MuLV) 1990 ·Journal of Cellular Physiology ·Takashi Oka, Masuo Yutsudo, (unknown), (unknown), Akira Hakura	1
19	Electron microscopic study of suppressive effects on the production of human T-lymphotropic virus type I (HTLV-I)1 with human interferons 1989 ·Y Ohtsuki, Takashi Oka, M Furihata, Kazushi Takahashi, Kunihiko Hayashi, J. Iwata, (unknown), H Sonobe, Ichiro Miyoshi	2
20	Surface modification by plasma spray process. 1987 ·JOURNAL OF THE JAPAN WELDING SOCIETY ·(unknown), Takashi Oka	1

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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