Keiji Nagao

726 total citations · 1 hit paper
9 papers, 580 citations indexed

About

Keiji Nagao is a scholar working on Surgery, Molecular Biology and Pathology and Forensic Medicine. According to data from OpenAlex, Keiji Nagao has authored 9 papers receiving a total of 580 indexed citations (citations by other indexed papers that have themselves been cited), including 4 papers in Surgery, 2 papers in Molecular Biology and 2 papers in Pathology and Forensic Medicine. Recurrent topics in Keiji Nagao's work include Sarcoma Diagnosis and Treatment (2 papers), Testicular diseases and treatments (2 papers) and Molecular Biology Techniques and Applications (2 papers). Keiji Nagao is often cited by papers focused on Sarcoma Diagnosis and Treatment (2 papers), Testicular diseases and treatments (2 papers) and Molecular Biology Techniques and Applications (2 papers). Keiji Nagao collaborates with scholars based in Japan and China. Keiji Nagao's co-authors include Tetsuya Takashima, Kazunari Tsuyuguchi, Nobuyuki Harada, Yoshikazu Inoue, Fumio Yamagishi, Toru Mori, Katsuhiro Suzuki, Satoshi Mitarai, Yoshiko Kawabe and Mitsunori Sakatani and has published in prestigious journals such as American Journal of Respiratory and Critical Care Medicine, Analytical Biochemistry and International Journal of Urology.

In The Last Decade

Keiji Nagao

8 papers receiving 562 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.

Specific Detection of Tuberculosis Infection

2004 527 citations Toru Mori, Mitsunori Sakatani et al. American Journal of Respiratory and Critical Care Medicine profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Keiji Nagao Japan	6	472	411	342	94	53	9	580
Maurício Barcelos Costa Brazil	13	370 0.8×	265 0.6×	250 0.7×	50 0.5×	17 0.3×	28	474
Teresa Chiacchio Italy	19	817 1.7×	690 1.7×	452 1.3×	188 2.0×	93 1.8×	29	943
Anouk van Hooij Netherlands	15	454 1.0×	352 0.9×	214 0.6×	50 0.5×	36 0.7×	33	511
M. Tanverdi Türkiye	5	247 0.5×	198 0.5×	130 0.4×	38 0.4×	45 0.8×	5	331
Jan Dirks Germany	14	174 0.4×	314 0.8×	73 0.2×	175 1.9×	50 0.9×	23	566
Magdalena Kriel South Africa	12	314 0.7×	248 0.6×	174 0.5×	126 1.3×	53 1.0×	13	478
Sarah Hackforth United Kingdom	5	599 1.3×	467 1.1×	255 0.7×	397 4.2×	62 1.2×	6	808
Violette Dirix Belgium	13	218 0.5×	317 0.8×	106 0.3×	118 1.3×	52 1.0×	34	486
Patrícia Rosa Vanderborght Brazil	9	330 0.7×	266 0.6×	154 0.5×	122 1.3×	20 0.4×	10	466
Ray G. Crispen United States	9	120 0.3×	127 0.3×	289 0.8×	109 1.2×	60 1.1×	16	486

Countries citing papers authored by Keiji Nagao

Since Specialization

Citations

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

Fields of papers citing papers by Keiji Nagao

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Keiji Nagao

This figure shows the co-authorship network connecting the top 25 collaborators of Keiji Nagao. A scholar is included among the top collaborators of Keiji Nagao 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 Keiji Nagao. Keiji Nagao 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:

9 of 9 papers shown

1.

Tsujimura, Akira, Taiji Nozaki, Yusuke Aoki, et al.. (2016). Experience of 3 Cases of Living Renal Transplantation in Juntendo University Urayasu Hospital. Juntendo Medical Journal. 62(1). 47–50.

2.

Kazuno, Saiko, Tsutomu Fujimura, Takahiro Arai, et al.. (2011). Multi-sequential surface plasmon resonance analysis of haptoglobin–lectin complex in sera of patients with malignant and benign prostate diseases. Analytical Biochemistry. 419(2). 241–249. 23 indexed citations

3.

Shibuya, Tomoyoshi, Taro Osada, Tomohiro Kodani, et al.. (2009). Gastrointestinal Hemorrhage as the First Manifestation of Metastatic Extragonadal Choriocarcinoma. Internal Medicine. 48(7). 551–554. 7 indexed citations

4.

Nagao, Keiji, Yukio Itoh, Kazuhiko Fujita, & Μakoto Fujime. (2007). Evaluation of urinary CA19‐9 levels in bladder cancer patients classified according to the combinations of Lewis and Secretor blood group genotypes. International Journal of Urology. 14(9). 795–799. 9 indexed citations

5.

Fujita, Kazuhiko, Yukio Itoh, Ryo Wada, Keiji Nagao, & Μakoto Fujime. (2006). Embryonal carcinoma producing DU‐PAN‐2 with burned‐out phenomenon in the testis. International Journal of Urology. 13(4). 473–475. 6 indexed citations

6.

Mori, Toru, Mitsunori Sakatani, Fumio Yamagishi, et al.. (2004). Specific Detection of Tuberculosis Infection. American Journal of Respiratory and Critical Care Medicine. 170(1). 59–64. 527 indexed citations breakdown →

7.

Itoh, Yuta, Keita Takahashi, K. Satoh, Keiji Nagao, & Μakoto Fujime. (2004). Multiplex PCR with confronting two-pair primers for Se genotyping. International Congress Series. 1261. 602–604. 5 indexed citations

8.

Itoh, Yuta, et al.. (2004). Evaluation of STR typings (TH01, TPOX and CSF1PO loci) using urine obtained from bladder cancer patients. International Congress Series. 1261. 482–484. 1 indexed citations

9.

Nagao, Keiji, et al.. (1986). [Retroperitoneal liposarcoma with various histological figures].. PubMed. 32(8). 927–32. 2 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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