Ikuo Sakuma

2.7k total citations · 2 hit papers
46 papers, 2.2k citations indexed

About

Ikuo Sakuma is a scholar working on Neurology, Hepatology and Epidemiology. According to data from OpenAlex, Ikuo Sakuma has authored 46 papers receiving a total of 2.2k indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Neurology, 15 papers in Hepatology and 13 papers in Epidemiology. Recurrent topics in Ikuo Sakuma's work include Hepatitis C virus research (14 papers), Intracranial Aneurysms: Treatment and Complications (10 papers) and Advanced MRI Techniques and Applications (7 papers). Ikuo Sakuma is often cited by papers focused on Hepatitis C virus research (14 papers), Intracranial Aneurysms: Treatment and Complications (10 papers) and Advanced MRI Techniques and Applications (7 papers). Ikuo Sakuma collaborates with scholars based in Japan. Ikuo Sakuma's co-authors include Masayuki Kurosaki, Fumiaki Marumo, Yasuhiro Asahina, Namiki Izumi, Takeshi Murakami, Chikara Yamamoto, Chifumi Sato, Nobuyuki Enomoto, Yuki Ogura and C Sato and has published in prestigious journals such as New England Journal of Medicine, Journal of Clinical Investigation and Hepatology.

In The Last Decade

Ikuo Sakuma

44 papers receiving 2.2k 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.

Mutations in the Nonstructural Protein 5a Gene and Response to Interferon in Patients with Chronic Hepatitis C Virus 1b Infection

1996 829 citations Nobuyuki Enomoto, Ikuo Sakuma et al. profile →
Comparison of full-length sequences of interferon-sensitive and resistant hepatitis C virus 1b. Sensitivity to interferon is conferred by amino acid substitutions in the NS5A region.

1995 528 citations Naoya Enomoto, Ikuo Sakuma et al. Journal of Clinical Investigation profile →

Peers

Ikuo Sakuma

HEPAT

EPIDE

RHEUM

RNMI

NEURO

Francesco Greco Italy

Peter von Wussow Germany

E. Bierhoff Germany

Yasuhiro Murata Japan

Andrea Baiocchini Italy

M. A. Farquharson United Kingdom

Cheng William Hong United States

Salah-Eddine Bentebibel United States

Alessandra Bettinardi Italy

A. Chiesa Italy

Francesco Greco Italy

Ikuo Sakuma

615 ×0.4

HEPAT

350 ×0.2

EPIDE

360 ×0.8

RHEUM

34 ×0.1

RNMI

23 ×0.1

NEURO

Citations per year, relative to Ikuo Sakuma Ikuo Sakuma (= 1×) peers Francesco Greco

Countries citing papers authored by Ikuo Sakuma

Since Specialization

Citations

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

Fields of papers citing papers by Ikuo Sakuma

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ikuo Sakuma

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

20 of 20 papers shown

Takahashi, Satoshi, Ikuo Sakuma, Takahiro Otani, et al.. (2009). Cavernous sinus dural arteriovenous fistula with bone erosion: case report. Journal of Neuroendovascular Therapy. 3(2). 106–111.

Takahashi, Shunya, Ikuo Sakuma, Takahiro Otani, et al.. (2007). Venous Anatomy of the Sphenoparietal Sinus: Evaluation by MR Imaging. Interventional Neuroradiology. 13(1_suppl). 84–89. 12 indexed citations

Tomura, Noriaki, Koichi Ishiyama, Takahiro Otani, et al.. (2007). Reduced Perfusion Reserve in Leukoaraiosis Demonstrated Using Acetazolamide Challenge 123I-IMP SPECT. Journal of Computer Assisted Tomography. 31(6). 884–887. 14 indexed citations

Tomura, Noriaki, et al.. (2006). Visualization of anterior disc displacement in temporomandibular disorders on contrast-enhanced magnetic resonance imaging: comparison with T2-weighted, proton density–weighted, and precontrast T1-weighted imaging. Oral Surgery Oral Medicine Oral Pathology Oral Radiology and Endodontology. 103(2). 260–266. 16 indexed citations

Sakuma, Ikuo, Satoshi Takahashi, Noriaki Tomura, & Hiroyuki Kinouchi. (2006). Dural arteriovenous fistulas of the cavernous sinus with onset of intracerebral haemorrhage mimicking hypertensive putaminal hemorrhage. Acta Neurochirurgica. 148(8). 915–918. 1 indexed citations

Tomura, Noriaki, Osamu Watanabe, Satoshi Takahashi, et al.. (2006). Comparison of201Tl-chloride SPECT with99mTc-MIBI SPECT in the depiction of malignant head and neck tumors. Annals of Nuclear Medicine. 20(2). 107–114. 3 indexed citations

Tomura, Noriaki, Toshio Sasajima, Ikuo Sakuma, et al.. (2005). Three-dimensional Surface Anatomical Scanning with 3D-FSPGR : Anatomical Conformity with Surgical Findings(Clinical Technology). Japanese Journal of Radiological Technology. 61(9). 1341–1348. 3 indexed citations

Tomura, Noriaki, Ikuo Sakuma, Satoshi Takahashi, et al.. (2005). Dynamic contrast-enhanced magnetic resonance imaging in radiotherapeutic efficacy in the head and neck tumors. American Journal of Otolaryngology. 26(3). 163–167. 31 indexed citations

Tomura, Noriaki, Junichi Izumi, Satoshi Takahashi, et al.. (2005). Thallium-201 SPECT in the Evaluation of Early Effects on Brain Tumors Treated With Stereotactic Irradiation. Clinical Nuclear Medicine. 30(2). 83–86. 2 indexed citations

10.

Sakuma, Ikuo, et al.. (2003). Multiple dural arteriovenous fistulas developing after total removal of parasagittal meningioma: a case successfully treated with transvenous embolization. 59(1). 3–7. 5 indexed citations

11.

Kato, Koki, Noriaki Tomura, Satoshi Takahashi, Ikuo Sakuma, & Jiro Watarai. (2003). Ischemic lesions related to cerebral angiography: Evaluation by diffusion weighted MR imaging. Neuroradiology. 45(1). 39–43. 44 indexed citations

12.

Ishiyama, Koichi, Manabu Hashimoto, Etsuko Tate, et al.. (2002). [Feasibility of early ambulation three hours after transfemoral angiography using a 4 French sheath].. PubMed. 62(7). 362–5. 4 indexed citations

13.

Tomura, Noriaki, Koki Kato, Satoshi Takahashi, et al.. (2002). Comparison of Multishot Echo-Planar Fluid-Attenuated Inversion-Recovery Imaging with Fast Spin-Echo Fluid-Attenuated Inversion-Recovery and T2-Weighted Imaging in Depiction of White Matter Lesions. Journal of Computer Assisted Tomography. 26(5). 810–814. 13 indexed citations

14.

Nagayama, Kazuyoshi, Jun-ichi Tazawa, Yoshinori Sakai, et al.. (1999). Efficacy of Endoscopic Clipping for Bleeding Gastroduodenal Ulcer: Comparison With Topical Ethanol Injection. The American Journal of Gastroenterology. 94(10). 2897–2901. 43 indexed citations

15.

Kurosaki, Masayuki, Naoya Enomoto, Takeshi Murakami, et al.. (1997). Analysis of Genotypes and Amino Acid Residues 2209 to 2248 of the Ns5a Region of Hepatitis C Virus in Relation to the Response to Interferon–β Therapy. Hepatology. 25(3). 750–753. 141 indexed citations

16.

Kurosaki, Masayuki, Yasuhiro Asahina, Ikuo Sakuma, et al.. (1996). Mutations in the core promoter region of hepatitis B virus in patients with chronic hepatitis B. Journal of Medical Virology. 49(2). 115–123. 68 indexed citations

17.

Sakuma, Ikuo, Naoya Enomoto, Masayuki Kurosaki, Fumiaki Marumo, & C Sato. (1996). Selection of hepatitis C virus quasispecies during interferon treatment. Archives of Virology. 141(10). 1921–1932. 15 indexed citations

18.

Enomoto, Naoya, Ikuo Sakuma, Yasuhiro Asahina, et al.. (1995). Comparison of full-length sequences of interferon-sensitive and resistant hepatitis C virus 1b. Sensitivity to interferon is conferred by amino acid substitutions in the NS5A region.. Journal of Clinical Investigation. 96(1). 224–230. 528 indexed citations breakdown →

19.

Kurosaki, Masayuki, et al.. (1995). Fraction‐specific populations of the hypervariable region of the hepatitis C virus in a patient with cryoglobulinemia. Journal of Medical Virology. 46(4). 403–408. 9 indexed citations

20.

Sakamoto, Naoya, Nobuyuki Enomoto, Masayuki Kurosaki, et al.. (1995). Comparison of the hypervariable region of hepatitis C virus genomes in plasma and liver. Journal of Medical Virology. 46(1). 7–11. 21 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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