Hitoshi Sakai

11.4k total citations · 1 hit paper
228 papers, 9.0k citations indexed

About

Hitoshi Sakai is a scholar working on Atmospheric Science, Environmental Chemistry and Geochemistry and Petrology. According to data from OpenAlex, Hitoshi Sakai has authored 228 papers receiving a total of 9.0k indexed citations (citations by other indexed papers that have themselves been cited), including 53 papers in Atmospheric Science, 41 papers in Environmental Chemistry and 39 papers in Geochemistry and Petrology. Recurrent topics in Hitoshi Sakai's work include Geology and Paleoclimatology Research (50 papers), Methane Hydrates and Related Phenomena (40 papers) and Groundwater and Isotope Geochemistry (35 papers). Hitoshi Sakai is often cited by papers focused on Geology and Paleoclimatology Research (50 papers), Methane Hydrates and Related Phenomena (40 papers) and Groundwater and Isotope Geochemistry (35 papers). Hitoshi Sakai collaborates with scholars based in Japan, United States and Russia. Hitoshi Sakai's co-authors include I. R. Kaplan, William T. Holser, Israel Zak, George E. Claypool, Osamu Matsubaya, Toshitaka Gamo, Hitoshi Chiba, James G. Moore, Toshihiro Tomita and Kunio Nakayama and has published in prestigious journals such as Nature, Science and Angewandte Chemie International Edition.

In The Last Decade

Hitoshi Sakai

222 papers receiving 8.5k citations

Hit Papers

align trajectories sort by overperformance

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.

The age curves of sulfur and oxygen isotopes in marine sulfate and their mutual interpretation

1980 1.6k citations I. R. Kaplan, Hitoshi Sakai et al. profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
Hitoshi Sakai	3.3k	2.5k	2.3k	1.7k	1.3k	228	9.0k
Wayne C. Shanks	3.7k 1.1×	2.1k 0.9×	1.7k 0.8×	1.5k 0.9×	1.4k 1.1×	120	6.8k
Neil C. Sturchio	2.3k 0.7×	2.7k 1.1×	2.2k 1.0×	1.8k 1.1×	687 0.5×	264	13.6k
Antonio C. Lasaga	3.6k 1.1×	2.5k 1.0×	2.1k 0.9×	2.5k 1.5×	1.1k 0.9×	116	13.8k
William E. Seyfried	4.8k 1.5×	2.7k 1.1×	1.9k 0.8×	2.3k 1.4×	1.4k 1.1×	180	10.1k
David Rickard	1.9k 0.6×	2.6k 1.1×	1.0k 0.5×	3.3k 2.0×	1.4k 1.1×	142	11.9k
Max Coleman	1.8k 0.6×	2.7k 1.1×	2.2k 1.0×	1.8k 1.1×	2.6k 2.0×	147	8.3k
W. S. Fyfe	6.2k 1.9×	2.6k 1.0×	1.6k 0.7×	1.4k 0.8×	1.5k 1.1×	301	12.2k
Robert M. Garrels	1.5k 0.4×	2.6k 1.1×	2.1k 0.9×	1.7k 1.0×	1.6k 1.2×	63	8.5k
K. H. Wedepohl	4.2k 1.3×	3.8k 1.5×	1.9k 0.8×	944 0.6×	1.4k 1.1×	76	13.7k
Wolfgang Bach	5.6k 1.7×	2.7k 1.1×	1.9k 0.8×	3.1k 1.9×	1.6k 1.3×	257	11.8k

Countries citing papers authored by Hitoshi Sakai

Since Specialization

Citations

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

Fields of papers citing papers by Hitoshi Sakai

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hitoshi Sakai

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

Akahoshi, Yu, Yasuyuki Arai, Satoshi Nishiwaki, et al.. (2021). Minimal residual disease (MRD) positivity at allogeneic hematopoietic cell transplantation, not the quantity of MRD, is a risk factor for relapse of Philadelphia chromosome-positive acute lymphoblastic leukemia. International Journal of Hematology. 113(6). 832–839. 6 indexed citations

Takahashi, Fumitake, et al.. (2016). DIRECT FORMATION OF FLUORAPATITE VIA AMORPHOUS CALCIUM PHOSPHATE MAINLY CONTRIBUTES TO FLUORINE IMMOBILIZATION OF ELECTRIC ARC FURNACE STEELMAKING SLAG BY APATITE TREATMENT. Journal of Japan Society of Civil Engineers Ser G (Environmental Research). 72(7). III_351–III_359.

Ishida, Fumihiro, Hideyuki Nakazawa, Kazuyuki Matsuda, et al.. (2013). Richter Transformation in the Brain from Chronic Lymphocytic Leukemia. Journal of Clinical and Experimental Hematopathology. 53(2). 157–160. 5 indexed citations

Sakai, Hitoshi, et al.. (2006). Development of Chemical Decontamination Technique Using Formic Acid. Transactions of the Atomic Energy Society of Japan. 5(4). 364–373. 4 indexed citations

Chen, F., Tatsuo Fukuse, Seiki Hasegawa, et al.. (2004). Effective application of ET-Kyoto solution for clinical lung transplantation. Transplantation Proceedings. 36(9). 2812–2815. 18 indexed citations

Sakai, Hitoshi, et al.. (2001). Preferential usage of some minor codons in bacteria. Gene. 276(1-2). 107–115. 18 indexed citations

Daiguji, Hirofumi, et al.. (2000). Split of Gas-Liquid Two-Phase Flow at an Impacting Tee. Revista Trace. 17(1). 37–45. 4 indexed citations

Nakano, Yasutaka, Hitoshi Sakai, Shigeo Muro, et al.. (1999). Comparison of low attenuation areas on computed tomographic scans between inner and outer segments of the lung in patients with chronic obstructive pulmonary disease: incidence and contribution to lung function. Thorax. 54(5). 384–389. 97 indexed citations

Nakajima, K., et al.. (1998). Compositional variation in AlGaAs crystals grown by LPE under microgravity and terrestrial conditions. Journal of Crystal Growth. 194(2). 166–172. 2 indexed citations

10.

Kobayashi, Michihiro, Shunji Aoki, Hitoshi Sakai, et al.. (1993). Altohyrtins B and C and 5-desacetylaltohyrtin A, potent cytotoxic macrolide congeners of altohyrtin A, from the okinawan marine sponge Hyrtios altum.. Chemical and Pharmaceutical Bulletin. 41(5). 989–991. 92 indexed citations

11.

Kobayashi, Shinichi, et al.. (1991). The Pharmacokinetics of Bifemelane Hydrochloride (the 1st Report): Comparison of Pharmacokinetics in the Young and the Elderly.. Rinsho yakuri/Japanese Journal of Clinical Pharmacology and Therapeutics. 22(4). 737–743. 3 indexed citations

12.

Ogawa, Yujiro, Wonn Soh, Juichiro Ashi, Hitoshi Sakai, & Kazuo Kobayashi. (1991). KAIKO-NANKAI計画で採集された"calcareous sandstone"について (予報). Journal of the Sedimentological Society of Japan. 34(34). 131–133. 1 indexed citations

13.

Kim, Eun Soo & Hitoshi Sakai. (1991). Stable Isotopic Ratios of Deep-sea Hydrothermal Vent Animals at the Mid-Okinawa Trough. Ocean and Polar Research. 13(2). 19–30. 2 indexed citations

14.

KIMURA, Masaaki, M. Furukawa, Eiji Izawa, et al.. (1991). Report on DELP 1988 Cruises in the Okinawa Trough : Part 7. Geologic Investigation of the Central Rift in the Middle to Southern Okinawa Trough. 東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo. 66(1). 179–209. 9 indexed citations

15.

Honma, Hiroji, et al.. (1990). Major and trace element chemistry and D/ H, (super 18) O/ (super 16) O, (super 87) Sr/ (super 86) Sr and (super 143) Nd/ (super 144) Nd ratios in rocks from the Okinawa Trough; magma genesis at the spreading center of the marginal back-arc basin. 27. 48. 2 indexed citations

16.

Kaneoka, Ichiro, Hironori Hayashi, Atsushi Yasuda, et al.. (1988). K-Ar Dating of Volcanic Rocks Dredged from the Yamato Seamount Chain in the Japan Sea. 33(3). 213–218. 5 indexed citations

17.

Naruse, Toshiro, Hitoshi Sakai, & Katsuhiro Inoue. (1986). Eolian dust origin of fine quartz in selected soils, Japan.. The Quaternary Research (Daiyonki-Kenkyu). 24(4). 295–300. 26 indexed citations

18.

Sakai, Hitoshi, David J. Des Marais, Akira Ueda, & James G. Moore. (1984). Concentrations and isotope ratios of carbon, nitrogen and sulfur in ocean-floor basalts. Geochimica et Cosmochimica Acta. 48(12). 2433–2441. 359 indexed citations

19.

Honma, Hiroji & Hitoshi Sakai. (1976). Oxygen Isotopic Data and Description of Rocks of the Yanai District in the Ryoke Belt, Japan. Okayama University Scientific Achievement Repository (Okayama University). 45(45). 69–73. 1 indexed citations

20.

Chang, S., et al.. (1974). Carbon, nitrogen and sulfur in lunar fines 15012 and 15013: abundances, distributions and isotopic compositions. Geochimica et Cosmochimica Acta. 38(6). 853–872. 23 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