Hiroshi Sakugawa

10.1k total citations · 1 hit paper
221 papers, 7.6k citations indexed

About

Hiroshi Sakugawa is a scholar working on Atmospheric Science, Hepatology and Epidemiology. According to data from OpenAlex, Hiroshi Sakugawa has authored 221 papers receiving a total of 7.6k indexed citations (citations by other indexed papers that have themselves been cited), including 50 papers in Atmospheric Science, 49 papers in Hepatology and 47 papers in Epidemiology. Recurrent topics in Hiroshi Sakugawa's work include Atmospheric chemistry and aerosols (48 papers), Hepatitis C virus research (37 papers) and Hepatitis B Virus Studies (33 papers). Hiroshi Sakugawa is often cited by papers focused on Atmospheric chemistry and aerosols (48 papers), Hepatitis C virus research (37 papers) and Hepatitis B Virus Studies (33 papers). Hiroshi Sakugawa collaborates with scholars based in Japan, Egypt and United States. Hiroshi Sakugawa's co-authors include Kazuhiko Takeda, Nobutake Nakatani, I. R. Kaplan, Hiroaki Okamoto, Y. Miyakawa, Masaki Imai, Makoto Mayumi, Fumio Tsuda, Masashi Mizokami and Takafumi Ichida and has published in prestigious journals such as SHILAP Revista de lepidopterología, Journal of Geophysical Research Atmospheres and Environmental Science & Technology.

In The Last Decade

Hiroshi Sakugawa

214 papers receiving 7.3k 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.

Typing Hepatitis B Virus by Homology in Nucleotide Sequence: Comparison of Surface Antigen Subtypes

1988 887 citations Hiroshi Sakugawa 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 Sakugawa Japan	42	3.3k	3.2k	1.2k	922	801	221	7.6k
David L. Balkwill United States	45	271 0.1×	278 0.1×	532 0.5×	283 0.3×	1.2k 1.5×	86	6.6k
Shin‐ichi Fujita Japan	31	608 0.2×	162 0.1×	253 0.2×	524 0.6×	104 0.1×	238	3.7k
Dapeng Li China	44	304 0.1×	102 0.0×	714 0.6×	128 0.1×	785 1.0×	304	7.2k
Nobuyasu Yamaguchi Japan	32	315 0.1×	237 0.1×	483 0.4×	80 0.1×	389 0.5×	150	3.5k
Nikolai V. Ravin Russia	39	327 0.1×	59 0.0×	165 0.1×	102 0.1×	571 0.7×	320	5.5k
Kaarina Sivonen Finland	73	1.4k 0.4×	23 0.0×	740 0.6×	85 0.1×	495 0.6×	293	18.1k
Toru Watanabe Japan	32	320 0.1×	79 0.0×	198 0.2×	48 0.1×	488 0.6×	271	4.6k
Qingyun Yan China	51	508 0.2×	22 0.0×	450 0.4×	80 0.1×	1.2k 1.5×	188	8.2k
Masaaki Morikawa Japan	45	279 0.1×	151 0.0×	307 0.3×	45 0.0×	1.7k 2.1×	220	7.3k
J. Kirk Harris United States	41	676 0.2×	22 0.0×	554 0.5×	74 0.1×	294 0.4×	91	6.6k

Countries citing papers authored by Hiroshi Sakugawa

Since Specialization

Citations

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

Fields of papers citing papers by Hiroshi Sakugawa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hiroshi Sakugawa

This figure shows the co-authorship network connecting the top 25 collaborators of Hiroshi Sakugawa. A scholar is included among the top collaborators of Hiroshi Sakugawa 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 Sakugawa. Hiroshi Sakugawa 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

Sakugawa, Hiroshi. (2024). Identification of atmospheric ozone generated from seismic activity during the occurrence of multiple earthquakes across Japan in 2022. The Science of The Total Environment. 924. 171714–171714.

Takeda, Kazuhiko, et al.. (2020). A fluorescence method for the determination of photochemically generated peroxynitrite in seawater. Analytica Chimica Acta. 1132. 83–92. 6 indexed citations

Mostofa, Khan M. G., Cong-Qiang Liu, Weidong Zhai, et al.. (2016). Reviews and Syntheses: Ocean acidification and its potential impacts on marine ecosystems. Biogeosciences. 13(6). 1767–1786. 95 indexed citations

Takeda, Kazuhiko, et al.. (2014). Spatial distributions of and diurnal variations in low molecular weight carbonyl compounds in coastal seawater, and the controlling factors. The Science of The Total Environment. 493. 454–462. 18 indexed citations

Toda, Takayoshi, et al.. (2012). [A rare case report of incarceration of Lambl's excrescence of aortic valve resulting in myocardial infarction].. PubMed. 60(8). 758–61. 5 indexed citations

Sakugawa, Hiroshi, et al.. (2010). Atmospheric formaldehyde and acetaldehyde at the campus University of Hiroshima, Japan. SHILAP Revista de lepidopterología. 1 indexed citations

Sakugawa, Hiroshi, et al.. (2007). Preliminary Study of the Photolysis of Fluorene in Rainwater. Bulletin of Environmental Contamination and Toxicology. 79(6). 670–673. 5 indexed citations

Chiwa, Masaaki, et al.. (2007). Atmospheric concentrations of nitric acid, sulfur dioxide, particulate nitrate and particulate sulfate, and estimation of their dry deposition on the urban- and mountain-facing sides of Mt. Gokurakuji, Western Japan. Environmental Monitoring and Assessment. 140(1-3). 349–360. 14 indexed citations

Fujii, Yasuhiko, Shigetaka Shimodaira, Kazuma Ikeda, et al.. (2007). ANALYSIS OF CASES SHOWING RESPIRATORY FAILURE AS A TRANSFUSION SIDE EFFECT. Japanese Journal of Transfusion and Cell Therapy. 53(1). 28–34. 1 indexed citations

10.

Nakamura, Masaru, Kazunari Taira, Masanori Taira, et al.. (2006). Hepatitis E virus isolates of genotype 4 recovered from wild boars in the Iriomote Island, Okinawa. Kanzo. 47(3). 161–162. 11 indexed citations

11.

Takeda, Kazuhiko, et al.. (2005). Photochemical Formation of Hydroxyl Radicals from Chemical Species Dissolved in River Water. Journal of Japan Society on Water Environment. 28(8). 509–513. 8 indexed citations

12.

Sakugawa, Hiroshi, et al.. (2003). Spatial and temporal variation of hydrogen peroxide in stream and river waters: Effect of photo-bio-physio-chemical processes of aquatic matters. Geochimica et Cosmochimica Acta. 67(18). 309. 5 indexed citations

13.

Sugauchi, Fuminaka, Etsuro Orito, Takafumi Ichida, et al.. (2003). Epidemiologic and virologic characteristics of hepatitis B virus genotype B having the recombination with genotype C. Gastroenterology. 124(4). 925–932. 171 indexed citations

14.

Nakatani, Nobutake, Nozomu Hashimoto, Takeshi Yamazaki, & Hiroshi Sakugawa. (2003). An experimental study of photodegradation of bisphenol A in water: Reaction with hydroxyl radical. Geochimica et Cosmochimica Acta Supplement. 67(18). 330. 1 indexed citations

15.

Kim, Do Hoon, et al.. (2003). The photochemical reactions of iron species in rain and snow in Higashi-Hiroshima, Japan. Analytical Science and Technology. 16(6). 466–474. 1 indexed citations

16.

Kim, Do-Hoon, et al.. (2002). Chemical Compositions in Rainwater at Hiroshima Prefecture, Japan. Analytical Science and Technology. 15(4). 321–328. 1 indexed citations

17.

Kim, Do Hoon, et al.. (2001). The Determination of Dissolved Total Fe by Flow Injection Analysis in Environmental Samples. Analytical Science and Technology. 14(6). 510–515. 2 indexed citations

18.

Miyake, Takayuki, Kazuhiko Takeda, Kitao Fujiwara, & Hiroshi Sakugawa. (2000). Concentrations, Deposition Rates and Sources of Organic Acids in Precipitation Collected in Higashi-Hiroshima, Japan.. NIPPON KAGAKU KAISHI. 357–366. 5 indexed citations

19.

Arakaki, Takemitsu, et al.. (1999). Photochemical Formation and Scavenging of Hydroxyl Radical in Rain and Dew Waters.. NIPPON KAGAKU KAISHI. 335–340. 31 indexed citations

20.

Arakaki, Takemitsu, et al.. (1998). Measurement of Photochemically Formed Hydroxyl Radical in Rain and Dew Waters.. NIPPON KAGAKU KAISHI. 619–625. 25 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.

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