Kenji Ishii

21.3k total citations · 2 hit papers
508 papers, 15.2k citations indexed

About

Kenji Ishii is a scholar working on Radiology, Nuclear Medicine and Imaging, Molecular Biology and Psychiatry and Mental health. According to data from OpenAlex, Kenji Ishii has authored 508 papers receiving a total of 15.2k indexed citations (citations by other indexed papers that have themselves been cited), including 135 papers in Radiology, Nuclear Medicine and Imaging, 119 papers in Molecular Biology and 70 papers in Psychiatry and Mental health. Recurrent topics in Kenji Ishii's work include Medical Imaging Techniques and Applications (70 papers), Dementia and Cognitive Impairment Research (49 papers) and Advanced MRI Techniques and Applications (48 papers). Kenji Ishii is often cited by papers focused on Medical Imaging Techniques and Applications (70 papers), Dementia and Cognitive Impairment Research (49 papers) and Advanced MRI Techniques and Applications (48 papers). Kenji Ishii collaborates with scholars based in Japan, United States and United Kingdom. Kenji Ishii's co-authors include Kiichi Ishiwata, Keiichi Oda, Shaun R. Coughlin, Yuichi Kimura, Tadashi Nariai, Kenji Ishibashi, Michio Senda, Jun Toyohara, Muneyuki Sakata and Noriaki Kume and has published in prestigious journals such as Nature, Proceedings of the National Academy of Sciences and Journal of Biological Chemistry.

In The Last Decade

Kenji Ishii

488 papers receiving 14.7k 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.

High performance plasma amyloid-β biomarkers for Alzheimer’s disease

2018 1.1k citations Akinori Nakamura, Takashi Kato et al. profile →
Probucol prevents the progression of atherosclerosis in Watanabe heritable hyperlipidemic rabbit, an animal model for familial hypercholesterolemia.

1987 743 citations Kenji Ishii et al. profile →

Peers

Countries citing papers authored by Kenji Ishii

Since Specialization

Citations

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

Fields of papers citing papers by Kenji Ishii

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kenji Ishii

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

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Comparison of consistency in centiloid scale among different analytical methods in amyloid PET: the CapAIBL, VIZCalc, and Amyquant methods 2024 ·Annals of Nuclear Medicine ·(unknown), Keita Sakurai, Takashi Nihashi, Yutaka Arahata, Akinori Takeda, Kazunari Ishii, Kenji Ishii, Hiroshi Matsuda, Kengo Ito, Takashi Kato, Hiroshi Toyama, Akinori Nakamura, (unknown)	7
2	Phantom and clinical evaluation of the Bayesian penalised likelihood reconstruction algorithm Q.Clear without PSF correction in amyloid PET images 2024 ·EJNMMI Physics ·Kei Wagatsuma, Muneyuki Sakata, Kenta Miwa, (unknown), (unknown), (unknown), Tensho Yamao, Noriaki Miyaji, Kenji Ishibashi, Tetsuro Tago, Jun Toyohara, Kenji Ishii	5
3	Hyperactivity of the medial thalamus in patients with photophobia‐associated migraine 2024 ·Headache The Journal of Head and Face Pain ·Yukihisa Suzuki, Motohiro Kiyosawa, Masato Wakakura, Kenji Ishii	2
4	Preclinical validation of a novel brain-penetrant PET ligand for visualization of histone deacetylase 6: a potential imaging target for neurodegenerative diseases 2024 ·European Journal of Nuclear Medicine and Molecular Imaging ·Tetsuro Tago, Muneyuki Sakata, Masakatsu Kanazawa, Shigeyuki Yamamoto, Kenji Ishii, Jun Toyohara	3
5	T2-FLAIR mismatch sign correlates with 11C-methionine uptake in lower-grade diffuse gliomas 2023 ·Journal of Neuro-Oncology ·(unknown), Kaoru Tamura, Shoko Hara, Motoki Inaji, Yoji Tanaka, Tadashi Nariai, Kenji Ishii, Taketoshi Maehara	2
6	Impact of γ factor in the penalty function of Bayesian penalized likelihood reconstruction (Q.Clear) to achieve high-resolution PET images 2023 ·EJNMMI Physics ·Kenta Miwa, (unknown), Kei Wagatsuma, (unknown), (unknown), Tensho Yamao, (unknown), Shohei Fukuda, (unknown), Noriaki Miyaji, Kenji Ishii	18
7	Differences in cerebral blood flow measurement using arterial spin labeling MRI between patients with moyamoya disease and patients with arteriosclerotic cerebrovascular disease 2022 ·Acta Radiologica ·Yasuhiro Ueda, Yoji Tanaka, Shoko Hara, Motoki Inaji, Kenji Ishii, Taketoshi Maehara, Tadashi Nariai	0
8	Correlation of Intraoperative 5-ALA-Induced Fluorescence Intensity and Preoperative 11C-Methionine PET Uptake in Glioma Surgery 2022 ·Cancers ·K. Shimizu, Kaoru Tamura, Shoko Hara, Motoki Inaji, Yoji Tanaka, Daisuke Kobayashi, Takashi Sugawara, Hiroaki Wakimoto, Tadashi Nariai, Kenji Ishii, Ichiro Sakuma, Taketoshi Maehara	8
9	Cross-validation of Quantitative Analytical Software Using 18F-florbetapir PET Imaging 2021 ·Japanese Journal of Radiological Technology ·Kei Wagatsuma, Kenta Miwa, Muneyuki Sakata, Kenji Ishibashi, Kenji Ishii	2
10	First clinical assessment of [18F]MC225, a novel fluorine-18 labelled PET tracer for measuring functional P-glycoprotein at the blood–brain barrier 2021 ·Annals of Nuclear Medicine ·Jun Toyohara, Muneyuki Sakata, Kenji Ishibashi, (unknown), Masamichi Imai, Kei Wagatsuma, Tetsuro Tago, Etsuko Imabayashi, Nicola Antonio Colabufo, Gert Luurtsema, Kenji Ishii	5
11	Preclinical Evaluation of an ¹⁸F-Labeled SW-100 Derivative for PET Imaging of Histone Deacetylase 6 in the Brain 2021 ·ACS Chemical Neuroscience ·Tetsuro Tago, Jun Toyohara, Kenji Ishii	15
12	Test–retest reproducibility of cerebral adenosine A2A receptor quantification using [11C]preladenant 2021 ·Annals of Nuclear Medicine ·Jun Toyohara, Muneyuki Sakata, Kei Wagatsuma, Tetsuro Tago, Kenji Ishibashi, Kenji Ishii, Philip H. Elsinga, Kiichi Ishiwata	1
13	Evaluation of PiB visual interpretation with CSF Aβ and longitudinal SUVR in J-ADNI study 2019 ·Annals of Nuclear Medicine ·(unknown), (unknown), Takashi Kato, Atsushi Iwata, Yasuyuki Kimura, Akinori Nakamura, Hideyuki Hattori, Hiroshi Toyama, Kazunari Ishii, Kenji Ishii, Michio Senda, Kengo Ito, Takeshi Iwatsubo	7
14	Unraveling Specific Brain Microstructural Damage in Moyamoya Disease Using Diffusion Magnetic Resonance Imaging and Positron Emission Tomography 2019 ·Journal of Stroke and Cerebrovascular Diseases ·Shoko Hara, Masaaki Hori, Ryo Ueda, (unknown), Motoki Inaji, Yoji Tanaka, Taketoshi Maehara, Kenji Ishii, Shigeki Aoki, Tadashi Nariai	14
15	Age and gender effects of 11C-ITMM binding to metabotropic glutamate receptor type 1 in healthy human participants 2017 ·Neurobiology of Aging ·Muneyuki Sakata, Jun Toyohara, Kenji Ishibashi, Kei Wagatsuma, Kenji Ishii, Ming‐Rong Zhang, Kiichi Ishiwata	6
16	Noninvasive Evaluation of CBF and Perfusion Delay of Moyamoya Disease Using Arterial Spin-Labeling MRI with Multiple Postlabeling Delays: Comparison with¹⁵O-Gas PET and DSC-MRI 2017 ·American Journal of Neuroradiology ·Shoko Hara, Yoji Tanaka, Yasuhiro Ueda, (unknown), Motoki Inaji, Kiichi Ishiwata, Kenji Ishii, Taketoshi Maehara, Tadashi Nariai	46
17	Assessment of safety, efficacy, and dosimetry of a novel 18-kDa translocator protein ligand, [11C]CB184, in healthy human volunteers 2017 ·EJNMMI Research ·Muneyuki Sakata, Kenji Ishibashi, Masamichi Imai, Kei Wagatsuma, Kenji Ishii, Kentaro Hatano, Kiichi Ishiwata, Jun Toyohara	8
18	Evaluation of a New Motion-correction Algorithm Using On-rigid Registration in Respiratory-gated PET/CT Images of Liver Tumors 2016 ·Japanese Journal of Radiological Technology ·Kei Wagatsuma, (unknown), (unknown), Kenta Miwa, Keiichi Oda, (unknown), (unknown), Kimiteru Ito, Kenji Ishii	0
19	Preclinical and first-in-man studies of [11C]CB184 for imaging the 18-kDa translocator protein by positron emission tomography 2016 ·Annals of Nuclear Medicine ·Jun Toyohara, Muneyuki Sakata, Kentaro Hatano, Shuichi Yanai, Shogo Endo, Kenji Ishibashi, Kei Wagatsuma, Kenji Ishii, Kiichi Ishiwata	11
20	Equal sensitivity of early and late scans after injection of FDG for the detection of Alzheimer pattern: an analysis of 3D PET data from J-ADNI, a multi-center study 2013 ·Annals of Nuclear Medicine ·(unknown), Ryuichi Takahashi, Kazunari Ishii, Michio Senda, Kengo Ito, Kenji Ishii, Takashi Kato, (unknown), Tomoyuki Nishio, Yasuhiko Ikari, Takeshi Iwatsubo	16

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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