Keiji Iwata

Ministry of Land, Infrastructure, Transport and Tourism — Japan

Earth and Planetary Sciences · Physical Sciences

21h-index2.5kcitations130works0.02yr avg
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Research Topics

Geological and Geochemical Analysis(16), Paleontology and Stratigraphy of Fossils(16), Geological Studies and Exploration(13), Magnetic Properties and Applications(12), Geology and Paleoclimatology Research(11)

Publications130 total

Muography for structural characterization of volcanoes: a case study at Mount Unzen, Japan
Geophysical Journal International·2025Open Access
Thoracic endovascular aortic repair with a right thoracotomy approach
Journal of Cardiothoracic Surgery·2022· 1 citedOpen Access
Thoracic Endovascular Aortic Repair With a Right Thoracotomy Approach: a Case Report
Research Square (Research Square)·2021Open Access
[Prediction of Length of Artificial Chordae by Using Preoperative Cardiac Computed Tomography:Report of a Case].
PubMed·2021
A Case of Severe Tricuspid Regurgitation Mimicking Constrictive Pericarditis
Japanese Journal of Cardiovascular Surgery·2020Open Access
Change in the electronic structure of the bismuth chalcogenide superconductor CsBi <sub> 4− <i>x</i> </sub> Pb <sub> <i>x</i> </sub> Te <sub>6</sub> by dissociation of the bismuth dimers
Journal of Physics Condensed Matter·2019
Immunoglobulin G4-related disease of the thickened aortic valve extending to the left ventricular outflow tract causing severe aortic regurgitation and complete atrioventricular block: a case report
European Heart Journal - Case Reports·2018· 5 citedOpen Access
Stent grafting simulation using a three-dimensional printed model for extensive aortic arch repair combined with coarctation
European Journal of Cardio-Thoracic Surgery·2018· 16 citedOpen Access
Diabetes mellitus adversely affects mortality and recurrence after valve surgery for infective endocarditis
Journal of Thoracic and Cardiovascular Surgery·2017· 30 citedOpen Access
Stent-graft balloon occlusion with selective cerebral perfusion for cardiac surgery after proximal aortic arch stent grafting: A case report
Journal of Thoracic and Cardiovascular Surgery·2017· 1 citedOpen Access
Late Sac Behavior after Endovascular Aneurysm Repair for Abdominal Aortic Aneurysm
Annals of Vascular Diseases·2016· 11 citedOpen Access
Temperature Dependence of Lancet Domains in Grain-Oriented Fe-3&amp;#x0025;Si Steels
IEEE Transactions on Magnetics·2015· 7 cited
[Prosthetic Valve Endocarditis using Immunosuppressive Agent for Atopic Dermatitis;Report of a Case].
PubMed·2015· 4 cited
Internal stress distribution for generating closure domains in laser-irradiated Fe–3%Si(110) steels
Journal of Applied Physics·2015· 11 cited
OS3-8 Stress Measurement Near Notch in 3%Si Iron by EBSD Method(Microstructure and damage evaluation,OS3 Stress/strain analyses by diffraction method,MEASUREMENT METHODS)
The Abstracts of ATEM International Conference on Advanced Technology in Experimental Mechanics Asian Conference on Experimental Mechanics·2015Open Access
Development of Electromagnetic Sensor and Its Application for NDE
Journal of the Japan Society of Applied Electromagnetics and Mechanics·2015Open Access
Evaluation of Stress/Strain Distribution near Notch in 3%Si Iron by EBSD Method
Journal of the Society of Materials Science Japan·2015· 1 citedOpen Access
Quantitative Analysis of 90° Closure Domains Occurring by Compressive Stress in Fe3%Si(110) Steels
IEEE Transactions on Magnetics·2014· 10 cited
Effects of Cu Precipitates on Magnetic Properties of Nonoriented Electrical Steel
IEEE Transactions on Magnetics·2014· 18 cited
BioGlue® coronary embolism during open heart surgery
Journal of Cardiology Cases·2014· 9 citedOpen Access
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Frequent Co-authors

M.M. Buslov(5), Tsutomu Watanabe(3), Y. Fujiwara(3), Н.Н. Семаков(3), Yoshiki Sawa(3), Makoto Kawamura(3), /(3), K. Ishiyama(3), I. Yu. Saphonova(2), Larisa Smirnova(2), Yoshitada Morikawa(2), K. Terakura(2), Inna Safonova(2), A.P. Kiryanova(2), А. В. Травин(2), D. A. Kokh(2), Muneyuki Imafuku(2), Koichi Akita(2), M. Fujikura(2), Masayuki Sakaki(2)