K. Iwata

4.4k total citations
121 papers, 2.8k citations indexed

About

K. Iwata is a scholar working on Electrical and Electronic Engineering, Materials Chemistry and Electronic, Optical and Magnetic Materials. According to data from OpenAlex, K. Iwata has authored 121 papers receiving a total of 2.8k indexed citations (citations by other indexed papers that have themselves been cited), including 46 papers in Electrical and Electronic Engineering, 43 papers in Materials Chemistry and 22 papers in Electronic, Optical and Magnetic Materials. Recurrent topics in K. Iwata's work include ZnO doping and properties (34 papers), GaN-based semiconductor devices and materials (21 papers) and Ga2O3 and related materials (19 papers). K. Iwata is often cited by papers focused on ZnO doping and properties (34 papers), GaN-based semiconductor devices and materials (21 papers) and Ga2O3 and related materials (19 papers). K. Iwata collaborates with scholars based in Japan, Poland and India. K. Iwata's co-authors include Shigeru Niki, Paul Fons, A. Yamada, Koji Matsubara, Ken Nakahara, H. Takasu, Hitoshi Tampo, K. Sakurai, H. Asahi and S. Gonda and has published in prestigious journals such as SHILAP Revista de lepidopterología, Applied Physics Letters and Journal of Applied Physics.

In The Last Decade

K. Iwata

110 papers receiving 2.6k citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
K. Iwata Japan 27 1.9k 1.3k 945 405 227 121 2.8k
Tetsurō Nakamura Japan 29 1.6k 0.8× 875 0.7× 843 0.9× 229 0.6× 239 1.1× 157 3.9k
Seongsu Lee South Korea 42 1.5k 0.8× 3.0k 2.2× 2.4k 2.5× 1.0k 2.5× 188 0.8× 143 5.6k
Robert Barnard United Kingdom 20 493 0.3× 628 0.5× 381 0.4× 201 0.5× 242 1.1× 117 1.9k
Cheung Soo Shin South Korea 30 1.1k 0.6× 574 0.4× 166 0.2× 281 0.7× 71 0.3× 86 2.6k
Peiliang Chen China 20 724 0.4× 464 0.3× 359 0.4× 109 0.3× 154 0.7× 62 1.3k
Hiroshi Chiba Japan 26 1.1k 0.5× 358 0.3× 1.1k 1.2× 480 1.2× 50 0.2× 118 2.6k
Masashi Nakao Japan 23 2.4k 1.3× 1.3k 0.9× 519 0.5× 660 1.6× 1.0k 4.6× 118 3.8k
Takashi Kita Japan 27 1.4k 0.7× 1.7k 1.3× 132 0.1× 361 0.9× 1.9k 8.5× 279 3.1k
Makoto Ohtani Japan 13 2.1k 1.1× 1.2k 0.9× 1.1k 1.2× 291 0.7× 84 0.4× 50 2.6k
A.J. Perry Switzerland 32 1.8k 1.0× 583 0.4× 400 0.4× 350 0.9× 256 1.1× 142 3.3k

Countries citing papers authored by K. Iwata

Since Specialization
Citations

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

Fields of papers citing papers by K. Iwata

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of K. Iwata

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

All Works

20 of 20 papers shown
1.
Saito, Kazuya, Nobuyuki Kagiyama, Daichi Maeda, et al.. (2025). Sarcopenia in heart failure: Comparison of prognostic value between the Asian working Group for Sarcopenia 2014 and 2019 criteria. Geriatrics and gerontology international. 25(6). 764–771.
2.
Maeda, Daichi, Yuki Ogasahara, Hiroshi Saitō, et al.. (2024). Overlap of frailty and malnutrition as prognosticators in older patients with heart failure. SHILAP Revista de lepidopterología. 46. 100467–100467. 4 indexed citations
3.
Takatori, Yusaku, Motoki Sasaki, Kohei Morioka, et al.. (2024). FEASIBILITY OF MODIFIED DOUBLE-LAYERED SUTURING FOR A LARGE MUCOSAL DEFECT AFTER DUODENAL ENDOSCOPIC SUBMUCOSAL DISSECTION (ORIGAMI METHOD). Gastrointestinal Endoscopy. 99(6). AB1137–AB1137.
4.
Matsuura, Noriko, Motohiko Kato, K. Iwata, et al.. (2024). Efficacy and safety of the water pressure method for endoscopic submucosal dissection in superficial pharyngeal cancer. SHILAP Revista de lepidopterología. 12(4). E621–E628. 1 indexed citations
5.
Takahashi, Tetsuya, K. Iwata, Tomoyuki Morisawa, et al.. (2024). Incidence of Hospitalization-Associated Disability in Older Patients With Heart Failure. Circulation Journal. 88(5). 672–679. 26 indexed citations
6.
7.
Konishi, Masaaki, Nobuyuki Kagiyama, Takatoshi Kasai, et al.. (2024). Prognostic value of weight loss in hospitalized patients with heart failure. European Heart Journal - Quality of Care and Clinical Outcomes. 11(2). 123–129. 1 indexed citations
8.
9.
Saito, Hiroshi, Yuya Matsue, Kenji Yoshioka, et al.. (2024). Ultrasound-measured Quadriceps Muscle Thickness and Mortality in Older Patients With Heart Failure. Canadian Journal of Cardiology. 40(12). 2555–2564.
10.
Kato, Motohiko, Motoki Sasaki, K. Iwata, et al.. (2023). First clinical experience with esophageal ESD using a novel adjustable traction device. SHILAP Revista de lepidopterología. 11(5). E446–E450. 1 indexed citations
11.
Iwata, K., Motohiko Kato, Motoki Sasaki, et al.. (2023). Intensive endoscopic resection strategy for multiple duodenal polyposis associated with familial adenomatous polyposis. Journal of Gastroenterology and Hepatology. 38(9). 1592–1597. 1 indexed citations
12.
Mizutani, Mari, Kohei Morioka, K. Iwata, et al.. (2023). Prospective cross‐organ analysis for the causes of fever and increased inflammatory response after endoscopic resection. Digestive Endoscopy. 36(8). 918–926.
13.
Morisawa, Tomoyuki, Masakazu Saitoh, Masayuki Tahara, et al.. (2023). Association between hospital-acquired functional decline and 2-year readmission or mortality after cardiac surgery in older patients: a multicenter, prospective cohort study. Aging Clinical and Experimental Research. 35(3). 649–657. 7 indexed citations
14.
Matsuo, Tomohiro, Tomoyuki Morisawa, Satoshi Yamamoto, et al.. (2023). Effect of in-patient cardiac rehabilitation at rehabilitation hospital for cardiology patients: two-center trial. Heart and Vessels. 39(1). 75–85. 5 indexed citations
15.
Nagata, Kazuma, Takeshi Morimoto, K. Iwata, et al.. (2021). Effect of high‐flow nasal cannula oxygen therapy on exercise tolerance in patients with idiopathic pulmonary fibrosis: A randomized crossover trial. Respirology. 27(2). 144–151. 22 indexed citations
16.
17.
Shimogai, Takayuki, et al.. (2020). Preoperative physical performance-related postoperative delirium in patients after cardiovascular surgery. Archives of Gerontology and Geriatrics. 91. 104172–104172. 2 indexed citations
18.
Akiyama, Yuji, et al.. (2008). Fundamental study of the powder core used low noise and low vibration motor. International Conference on Electrical Machines and Systems. 617–620. 3 indexed citations
19.
Yamashita, Takuya, et al.. (1989). Fatigue and creep-fatigue life prediction of bellows. 168. 113–122. 3 indexed citations
20.
Iwata, K., et al.. (1982). General purpose nonlinear analysis program FINAS for elevated temperature design of FBR components. [FINAS code]. 5 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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