Hiroshi Okamoto

41.5k total citations · 2 hit papers
1.4k papers, 33.5k citations indexed

About

Hiroshi Okamoto is a scholar working on Electrical and Electronic Engineering, Atomic and Molecular Physics, and Optics and Electronic, Optical and Magnetic Materials. According to data from OpenAlex, Hiroshi Okamoto has authored 1.4k papers receiving a total of 33.5k indexed citations (citations by other indexed papers that have themselves been cited), including 422 papers in Electrical and Electronic Engineering, 263 papers in Atomic and Molecular Physics, and Optics and 261 papers in Electronic, Optical and Magnetic Materials. Recurrent topics in Hiroshi Okamoto's work include Organic and Molecular Conductors Research (142 papers), Semiconductor Quantum Structures and Devices (115 papers) and Photonic and Optical Devices (93 papers). Hiroshi Okamoto is often cited by papers focused on Organic and Molecular Conductors Research (142 papers), Semiconductor Quantum Structures and Devices (115 papers) and Photonic and Optical Devices (93 papers). Hiroshi Okamoto collaborates with scholars based in Japan, United States and China. Hiroshi Okamoto's co-authors include Shin Takasawa, Hiroyuki Matsuzaki, Masahiro Yamashita, Nobuyuki Itoh, Hiroshi Yamamoto, Hideo Kishida, Seigo Tarucha, Y. Tokura, Koji Nata and Noboru Yanaihara and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

Hiroshi Okamoto

1.3k papers receiving 32.3k 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.

Optical bandgap energy of wurtzite InN

2002 621 citations Hiroshi Okamoto et al. profile →
Human preprovasoactive intestinal polypeptide contains a novel PHI-27-like peptide, PHM-27

1983 544 citations Hiroshi Okamoto et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Hiroshi Okamoto Japan	85	7.3k	6.6k	5.9k	5.6k	5.1k	1.4k	33.5k
Bo Liu China	88	13.4k 1.8×	10.8k 1.6×	3.6k 0.6×	3.4k 0.6×	7.6k 1.5×	2.5k	46.1k
Yukio Ando Japan	98	3.3k 0.4×	7.7k 1.2×	2.2k 0.4×	2.9k 0.5×	16.5k 3.3×	2.8k	56.0k
William Humphrey United States	21	4.2k 0.6×	12.8k 1.9×	2.0k 0.3×	5.2k 0.9×	24.5k 4.8×	39	53.5k
Andrew Dalke United States	9	4.3k 0.6×	13.0k 2.0×	2.0k 0.3×	5.1k 0.9×	26.7k 5.3×	13	56.0k
Toshikazu Nakamura Japan	96	3.3k 0.5×	5.3k 0.8×	3.2k 0.5×	449 0.1×	11.2k 2.2×	844	37.6k
Tsutomu Araki Japan	67	1.9k 0.3×	1.2k 0.2×	1.1k 0.2×	1.7k 0.3×	1.8k 0.4×	846	20.0k
Juan Pablo United States	100	3.9k 0.5×	18.0k 2.7×	4.4k 0.7×	5.1k 0.9×	6.9k 1.4×	790	37.7k
Jacob N. Israelachvili United States	128	6.9k 0.9×	11.3k 1.7×	2.2k 0.4×	18.8k 3.3×	10.1k 2.0×	447	61.1k
Yong Zhang China	110	10.5k 1.4×	26.1k 3.9×	5.3k 0.9×	1.4k 0.3×	9.4k 1.9×	1.5k	58.9k
Frank Caruso Australia	131	11.2k 1.5×	22.5k 3.4×	6.5k 1.1×	2.7k 0.5×	11.8k 2.3×	718	68.7k

Countries citing papers authored by Hiroshi Okamoto

Since Specialization

Citations

This map shows the geographic impact of Hiroshi Okamoto'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 Hiroshi Okamoto with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Hiroshi Okamoto more than expected).

Fields of papers citing papers by Hiroshi Okamoto

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Hiroshi Okamoto. 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 Hiroshi Okamoto. The network helps show where Hiroshi Okamoto may publish in the future.

Co-authorship network of co-authors of Hiroshi Okamoto

This figure shows the co-authorship network connecting the top 25 collaborators of Hiroshi Okamoto. A scholar is included among the top collaborators of Hiroshi Okamoto 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 Hiroshi Okamoto. Hiroshi Okamoto is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

1.

Okamoto, Hiroshi, et al.. (2024). Automation of Field Monitoring of Blueberry Flower Buds and Fruit by Using Object-Detection AI. Agricultural Information Research. 33(1). 27–43.

2.

Futamura, Manabu, et al.. (2023). All-optical non-contact level sensor for liquid hydrogen. Journal of Physics Conference Series. 2545(1). 12033–12033.

3.

Yoshida, Takefumi, Shinya Takaishi, Laurent Guérin, et al.. (2022). Hydrogen Bonding Propagated Phase Separation in Quasi-Epitaxial Single Crystals: A Pd–Br Molecular Insulator. Inorganic Chemistry. 61(35). 14067–14074. 1 indexed citations

4.

Okamoto, Hiroshi, et al.. (2021). Report on the load carrying robot using the tracked vehicle. The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec). 2021(0). 2P1–J07. 1 indexed citations

5.

Iwano, Kaoru, Tatsuya Miyamoto, N. Kida, et al.. (2021). Excitonic optical spectra and energy structures in a one-dimensional Mott insulator demonstrated by applying a many-body Wannier functions method to a charge model. Physical review. B.. 103(4). 7 indexed citations

6.

Shinohara, Shuji, et al.. (2021). Power Laws Derived from a Bayesian Decision-Making Model in Non-Stationary Environments. Symmetry. 13(4). 718–718. 1 indexed citations

7.

Miyagawa, Kazuya, Sachio Horiuchi, Reìzo Kato, et al.. (2021). Fate of soliton matter upon symmetry-breaking ferroelectric order. Physical review. B.. 103(13). 3 indexed citations

8.

Shinohara, Shuji, et al.. (2020). A new method of Bayesian causal inference in non-stationary environments. PLoS ONE. 15(5). e0233559–e0233559. 3 indexed citations

9.

Okamoto, Hiroshi, et al.. (2019). Low-temperature formation of GeSn nanodots by Sn mediation. Japanese Journal of Applied Physics. 58(SD). SDDG09–SDDG09. 5 indexed citations

10.

Takita, Kensuke, Hideki Nakazawa, Takehiko Tawara, et al.. (2019). Study on the formation mechanism of bismuth-mediated Ge nanodots fabricated by vacuum evaporation. Japanese Journal of Applied Physics. 58(SD). SDDG10–SDDG10. 2 indexed citations

11.

Miyagawa, Kazuya, Tatsuya Miyamoto, Hiroshi Okamoto, et al.. (2019). Topological charge transport by mobile dielectric-ferroelectric domain walls. Science Advances. 5(11). eaax8720–eaax8720. 11 indexed citations

12.

Okamoto, Hiroshi, Takehiko Tawara, Kouta Tateno, et al.. (2011). Distinctive Feature of Ripening During Growth Interruption of InGaAs Quantum Dot Epitaxy Using Bi as a Surfactant. Japanese Journal of Applied Physics. 50(6S). 06GH07–06GH07. 1 indexed citations

13.

Okamoto, Hiroshi, Takehiko Tawara, Hideki Gotoh, Hidehiko Kamada, & Tetsuomi Sogawa. (2010). Growth and Characterization of Telecommunication-Wavelength Quantum Dots Using Bi as a Surfactant. Japanese Journal of Applied Physics. 49(6S). 06GJ01–06GJ01. 19 indexed citations

14.

Saito, Masahiro, Takashi Kataoka, Hiroshi Okamoto, & Shun-ichi Hata. (2008). Development of Automatic Continuous Soil Sampling System. Journal of the Japanese Society of Agricultural Machinery. 70(4). 123–128. 1 indexed citations

15.

Takekuma, Yoh, Toru Takenaka, Hiroshi Okamoto, et al.. (2006). Contribution of polymorphisms in UDP-glucuronosyltransferase and CYP2D6 to the individual variation in disposition of carvedilol.. PubMed. 9(1). 101–12. 25 indexed citations

16.

Kikuchi, Nobuhiro, Y. Shibata, Hiroshi Okamoto, et al.. (2002). 64-Channel WDM Wavelength-Selective Receiver Monolithically Integrated on InP Substrate. European Conference on Optical Communication. 1. 1–2. 1 indexed citations

17.

Yamamoto, Yasuhiko, Ichiro Kato, Toshio Doi, et al.. (2001). Development and prevention of advanced diabetic nephropathy in RAGE-overexpressing mice. Journal of Clinical Investigation. 108(2). 261–268. 40 indexed citations

18.

Yamamoto, Yasuhiko, Ichiro Kato, Toshio Doi, et al.. (2001). Development and prevention of advanced diabetic nephropathy in RAGE-overexpressing mice. Journal of Clinical Investigation. 108(2). 261–268. 409 indexed citations

19.

Nakagawara, K., Naoya Noguchi, Shigeki Moriizumi, et al.. (1995). Human REG family genes are tandemly ordered in a 95‐kilobase region of chromosome 2p12. FEBS Letters. 377(3). 429–433. 39 indexed citations

20.

Sato, Ken-ichi, Hiroshi Okamoto, Kenji Kishi, et al.. (1994). InP-based optical multiplexer integrated with modulators for 100 Gbit/s transmission. European Conference on Optical Communication. 4 indexed citations

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.

Explore authors with similar magnitude of impact