Koichi Nakashima

805 total citations
19 papers, 646 citations indexed

About

Koichi Nakashima is a scholar working on Periodontics, Surgery and Pharmacy. According to data from OpenAlex, Koichi Nakashima has authored 19 papers receiving a total of 646 indexed citations (citations by other indexed papers that have themselves been cited), including 5 papers in Periodontics, 4 papers in Surgery and 3 papers in Pharmacy. Recurrent topics in Koichi Nakashima's work include Oral microbiology and periodontitis research (5 papers), Oral and gingival health research (3 papers) and Salivary Gland Disorders and Functions (3 papers). Koichi Nakashima is often cited by papers focused on Oral microbiology and periodontitis research (5 papers), Oral and gingival health research (3 papers) and Salivary Gland Disorders and Functions (3 papers). Koichi Nakashima collaborates with scholars based in Japan, Switzerland and Sri Lanka. Koichi Nakashima's co-authors include G. Cimasoni, Yasuhiro Shimada, Toru Komatsu, Tomomasa Kimura, Makoto Kato, Hiroshi Tokiwa, Reiko Nakagawa, Kazumi Horikawa, Shigeji Kitamori and E. Andersen and has published in prestigious journals such as Journal of Bacteriology, Anesthesiology and Journal Of Clinical Periodontology.

In The Last Decade

Koichi Nakashima

16 papers receiving 604 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Koichi Nakashima Japan 12 235 119 116 77 76 19 646
Pedro Duarte Novaes Brazil 17 90 0.4× 48 0.4× 64 0.6× 129 1.7× 50 0.7× 46 733
Agata Schramm‐Luc Poland 7 175 0.7× 74 0.6× 88 0.8× 30 0.4× 35 0.5× 7 773
Isabel Gallardo Spain 15 194 0.8× 90 0.8× 70 0.6× 27 0.4× 10 0.1× 26 745
Toshikazu Yasui Japan 12 80 0.3× 19 0.2× 13 0.1× 21 0.3× 67 0.9× 34 530
Maria Mohora Romania 14 276 1.2× 38 0.3× 9 0.1× 38 0.5× 20 0.3× 32 613
Pratima Kumari India 12 65 0.3× 54 0.5× 36 0.3× 11 0.1× 32 0.4× 36 694
Ferda Alev Akalın Türkiye 14 796 3.4× 38 0.3× 7 0.1× 136 1.8× 52 0.7× 24 1.1k
Toshihiro Sanbe Japan 17 527 2.2× 69 0.6× 6 0.1× 66 0.9× 46 0.6× 19 865
Caroline Lourenço de Lima Brazil 10 93 0.4× 19 0.2× 13 0.1× 30 0.4× 23 0.3× 18 486
Raymond B. Bridges United States 16 146 0.6× 58 0.5× 7 0.1× 20 0.3× 48 0.6× 30 802

Countries citing papers authored by Koichi Nakashima

Since Specialization
Citations

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

Fields of papers citing papers by Koichi Nakashima

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Koichi Nakashima

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

All Works

19 of 19 papers shown
1.
Toyota, Shingo, Keishi Okochi, Koichi Nakashima, et al.. (2025). Thoracic Intradural Extramedullary Cavernous Malformation Mimicking Meningioma. NMC Case Report Journal. 12(0). 109–114.
2.
Toyota, Shingo, Keishi Okochi, Koichi Nakashima, et al.. (2025). Exoscopic Keyhole Clipping of Unruptured Middle Cerebral Artery Aneurysms Using Multiple 4K 3-dimensional Monitors. Neurologia medico-chirurgica. 65(10). 421–426.
3.
Nishizaki, Yuzo, Koichi Nakashima, Taichi Yamazaki, et al.. (2018). HPLC/PDA determination of carminic acid and 4-aminocarminic acid using relative molar sensitivities with respect to caffeine. Food Additives & Contaminants Part A. 35(5). 838–847. 17 indexed citations
4.
Nakashima, Koichi. (2013). Wonderful life through good eating. Journal for the Integrated Study of Dietary Habits. 23(4). 243–246.
5.
Inoue, Kaoru, Midori Yoshida, Masashi Takahashi, et al.. (2009). Possible contribution of rubiadin, a metabolite of madder color, to renal carcinogenesis in rats. Food and Chemical Toxicology. 47(4). 752–759. 17 indexed citations
6.
Nakashima, Koichi, et al.. (1996). A longitudinal study of various crevicular fluid components as markers of periodontal disease activity. Journal Of Clinical Periodontology. 23(9). 832–838. 95 indexed citations
7.
Nakashima, Koichi, et al.. (1994). The recovery efficiency of various materials for sampling enzymes and polymorphonuclear leukocytes from gingival crevices. Journal Of Clinical Periodontology. 21(7). 479–483. 36 indexed citations
8.
Nakashima, Koichi, et al.. (1994). Osteocalcin, prostaglandin E2 and alkaline phosphatase in gingival crevicular fluid: their relations to periodontal status. Journal Of Clinical Periodontology. 21(5). 327–333. 106 indexed citations
9.
Ishihara, Kazuyuki, Yuko Naito, Tetsuo Kato, et al.. (1992). A sensitive enzymatic method (SK‐013) for detection and quantification of specific periodontopathogens. Journal of Periodontal Research. 27(2). 81–85. 31 indexed citations
10.
Kainuma, Motoshi, Koichi Nakashima, Masaki Kawase, et al.. (1992). Hepatic Venous Hemoglobin Oxygen Saturation Predicts. Anesthesiology. 76(3). 379–386. 54 indexed citations
11.
Kainuma, Motoshi, Nobuyuki Kimura, Toshiaki Nonami, et al.. (1992). The Effect of Dobutamine on Hepatic Blood Flow and Oxygen Supply–Uptake Ratio during Enflurane Nitrous Oxide Anesthesia in Humans Undergoing Liver Resection. Anesthesiology. 77(3). 432–438. 9 indexed citations
12.
Kato, Makoto, et al.. (1992). Spectral Analysis of Heart Rate Variability during Isoflurane Anesthesia. Anesthesiology. 77(4). 669–674. 109 indexed citations
13.
Kainuma, Motoshi, et al.. (1991). Monitoring Hepatic Venous Hemoglobin Oxygen Saturation in Patients Undergoing Liver Surgery. Anesthesiology. 74(1). 49–52. 37 indexed citations
14.
Nakata, Tadashi, Toshiro Suenaga, Koichi Nakashima, & Takeshi Oishi. (1989). Total synthesis of natural products having 1,3- -polyol, δ-lactone of (2 ,5 ,7 ,9 ,11 )-tetrahydroxyhexacos-2-enoic acid and 4,6,8,10,12,14,16,18,20-all- -nonamethoxy-1-pentacosene. Tetrahedron Letters. 30(47). 6529–6532. 22 indexed citations
15.
Nakashima, Koichi, et al.. (1987). Antibiotic therapy in periodontal disease. 1. Selection of antibiotics.. Nihon Shishubyo Gakkai Kaishi (Journal of the Japanese Society of Periodontology). 29(2). 463–471. 9 indexed citations
16.
Nakata, Tadashi, et al.. (1987). Determination of the stereostructure of the .DELTA.-lactones of 5,7-dihydroxy-2,3-unsaturated acids by 1H NMR spectroscopy.. Chemical and Pharmaceutical Bulletin. 35(10). 4355–4358. 13 indexed citations
17.
Kusunoki, Shinichiro, et al.. (1986). Use of a copper-phthalocyanine membrane electrode for rapid preliminary detection of polycyclic mutagens. Mutation Research/Environmental Mutagenesis and Related Subjects. 164(4). 203–208. 4 indexed citations
18.
Nakagawa, Reiko, Shigeji Kitamori, Kazumi Horikawa, Koichi Nakashima, & Hiroshi Tokiwa. (1983). Identification of dinitropyrenes in diesel-exhaust particles Their probable presence as the major mutagens. Mutation Research/Genetic Toxicology. 124(3-4). 201–211. 77 indexed citations
19.
Koike, Masaatsu, Kyoko Iida, Koichi Nakashima, & Junichi Tokunaga. (1974). Small-Cell Formation of Staphylococcus aureus by Subinhibitory Concentrations of Nitrofuran Derivatives. Journal of Bacteriology. 120(1). 524–526. 10 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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