H Nishiyama

736 total citations · 1 hit paper
12 papers, 594 citations indexed

About

H Nishiyama is a scholar working on Surfaces, Coatings and Films, Molecular Biology and Artificial Intelligence. According to data from OpenAlex, H Nishiyama has authored 12 papers receiving a total of 594 indexed citations (citations by other indexed papers that have themselves been cited), including 3 papers in Surfaces, Coatings and Films, 2 papers in Molecular Biology and 2 papers in Artificial Intelligence. Recurrent topics in H Nishiyama's work include Electron and X-Ray Spectroscopy Techniques (3 papers), Security and Verification in Computing (2 papers) and Amino Acid Enzymes and Metabolism (1 paper). H Nishiyama is often cited by papers focused on Electron and X-Ray Spectroscopy Techniques (3 papers), Security and Verification in Computing (2 papers) and Amino Acid Enzymes and Metabolism (1 paper). H Nishiyama collaborates with scholars based in Japan, United States and United Kingdom. H Nishiyama's co-authors include S Kohno, Saburo Shikuwa, Ken Ohnita, Keigo Ikeda, Eiichiro Fukuda, Hajime Isomoto, Naoyuki Yamaguchi, Yohei Mizuta, Hiroyuki Shinada and T. Ohshima and has published in prestigious journals such as Gut, Applied Surface Science and Physical review. B..

In The Last Decade

H Nishiyama

11 papers receiving 586 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.

Endoscopic submucosal dissection for early gastric cancer: a large-scale feasibility study

2008 526 citations Hajime Isomoto, Saburo Shikuwa et al. Gut profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
H Nishiyama Japan	6	491	282	238	32	32	12	594
A. Rastogi United States	12	144 0.3×	78 0.3×	266 1.1×	18 0.6×	163 5.1×	35	512
Hidetaka Matsuda Japan	12	56 0.1×	44 0.2×	93 0.4×	37 1.2×	66 2.1×	66	441
Marisa Figueiredo United States	9	140 0.3×	59 0.2×	299 1.3×	6 0.2×	19 0.6×	24	483
Ayame Shimizu Japan	11	113 0.2×	51 0.2×	108 0.5×	2 0.1×	29 0.9×	19	479
Yuji Negoro Japan	10	155 0.3×	11 0.0×	137 0.6×	58 1.8×	160 5.0×	39	361
Jiachuan Wu China	8	103 0.2×	10 0.0×	106 0.4×	11 0.3×	55 1.7×	15	183
Francis W. Cutruzzola United States	6	191 0.4×	10 0.0×	108 0.5×	12 0.4×	39 1.2×	7	358
J. C. Kim South Korea	10	55 0.1×	20 0.1×	78 0.3×	7 0.2×	176 5.5×	14	306
Michio SHIMIZU Japan	8	95 0.2×	19 0.1×	43 0.2×	16 0.5×	137 4.3×	19	332
Shigeomi Takeda Japan	7	37 0.1×	8 0.0×	58 0.2×	92 2.9×	71 2.2×	18	357

Countries citing papers authored by H Nishiyama

Since Specialization

Citations

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

Fields of papers citing papers by H Nishiyama

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of H Nishiyama

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

12 of 12 papers shown

1.

Nishiyama, H, et al.. (2022). 209 A Review of Intravaginal Ejaculatory Dysfunction and Unconsummated Marriage Cases in the Outpatient Clinic for Male Infertility at the University of Tsukuba Hospital. The Journal of Sexual Medicine. 19(Supplement_2). S206–S206. 1 indexed citations

2.

Ikeda, Akihiro, et al.. (2022). 125 Characteristics of Testicular Atrophy During Testosterone Replacement Therapy (TRT). The Journal of Sexual Medicine. 19(Supplement_2). S175–S175. 1 indexed citations

3.

Nishiyama, H, Hideaki Sakai, Noriaki Hanasaki, et al.. (2021). Variation of charge dynamics upon antiferromagnetic transitions in the Dirac semimetal EuMnBi2. Physical review. B.. 104(11). 7 indexed citations

4.

Nishiyama, H. (2012). Improved sandboxing for java virtual machine using hybrid execution model. 173–178. 1 indexed citations

5.

Nishiyama, H, Mitsuo Suga, Mitsuru Koizumi, et al.. (2009). New Scanning Electron Microscope Capable of Observing Cells in Solution. Microscopy and Microanalysis. 15(S2). 938–939.

6.

Suga, Mitsuo, H Nishiyama, Tatsuhiko Ebihara, Toshihiko Ogura, & Chikara Sato. (2009). Atmospheric Electron Microscope: Limits of Observable Depth. Microscopy and Microanalysis. 15(S2). 924–925. 11 indexed citations

7.

Isomoto, Hajime, Saburo Shikuwa, Naoyuki Yamaguchi, et al.. (2008). Endoscopic submucosal dissection for early gastric cancer: a large-scale feasibility study. Gut. 58(3). 331–336. 526 indexed citations breakdown →

8.

Nishiyama, H. (2005). SecureC: control-flow protection against general buffer overflow attack. 149–155 Vol. 2. 4 indexed citations

9.

Shinada, Hiroyuki, et al.. (2002). An energy analyzer for high-speed secondary electrons accelerated in inspection SEM imaging. Microelectronic Engineering. 61-62. 1083–1088. 6 indexed citations

10.

Nishiyama, H, T. Ohshima, & Hiroyuki Shinada. (1999). Tungsten Schottky emitters with reservoirs of metal oxide or nitride. Applied Surface Science. 146(1-4). 382–386. 27 indexed citations

11.

Nagasawa, H., Yuichi Fujii, H Nishiyama, Y Goto, & Hideo Inatomi. (1992). 1H-NMR spectroscopy of urinary components of SHN mice in the course of spontaneous mammary tumourigenesis.. PubMed. 12(3). 993–5. 4 indexed citations

12.

Knoll, G.F., et al.. (1972). A Gamma Ray Probe for the Detection of Ocular Melanomas. IEEE Transactions on Nuclear Science. 19(1). 76–80. 6 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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