Naofumi Ohtsu

Kitami Institute of Technology — Japan

Engineering · Physical Sciences

29h-index3.1kcitations165works0.72yr avg
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Research Topics

Bone Tissue Engineering Materials(49), Metal and Thin Film Mechanics(33), Titanium Alloys Microstructure and Properties(30), Anodic Oxide Films and Nanostructures(24), Orthopaedic implants and arthroplasty(20)

Publications165 total

Formation of a Hard Photocatalytic Antibacterial <scp> TiO <sub>2</sub> </scp> Layer on Ti Surface via Anodization in Hot Nitrate/Ethylene Glycol Electrolyte
Journal of Biomedical Materials Research Part B Applied Biomaterials·2025
Reducing Ni Ion Release From Anodized NiTi Alloy in a Biological Environment by Altering the Surface Characteristics
Surface and Interface Analysis·2025
Parametric investigation in an open atmosphere laser nitriding process of titanium aiming to minimize cracks
Surface and Coatings Technology·2025· 1 cited
Microstructure of Repair Welding Heat-Affected Zone of a Mo-Modified AISI H13 Hot-Work Tool Steel for Die-Casting Die
MATERIALS TRANSACTIONS·2025Open Access
Hydrogen-Free Plasma Nitriding Process for Fabrication of Expanded Austenite Layer on AISI 316 Stainless Steel Surface
Materials·2025· 3 citedOpen Access
Comparison of Shear Stress Response on Immortalized Cells to Primary Cells in Stent Analysis
2024
Characteristic variations in a pulsed‐anodized NiTi alloy surface by the lower voltage setting
Surface and Interface Analysis·2024· 1 cited
Open-atmosphere laser nitriding of austenitic steels to form wear-resistant surfaces
Surface and Coatings Technology·2023· 3 cited
Corrosion Protection Behavior of Aluminate Ion-Loaded Layered Double Hydroxide Coating on AZ31 Magnesium Alloy
Journal of The Electrochemical Society·2023· 4 cited
Endothelium Cell Responses on Pulsed-Anodized NiTi Alloy with HNO&lt;sub&gt;3&lt;/sub&gt;, NH&lt;sub&gt;4&lt;/sub&gt;NO&lt;sub&gt;3&lt;/sub&gt;, H&lt;sub&gt;2&lt;/sub&gt;SO&lt;sub&gt;4&lt;/sub&gt;, and (NH&lt;sub&gt;4&lt;/sub&gt;)&lt;sub&gt;2&lt;/sub&gt;SO&lt;sub&gt;4&lt;/sub&gt; as Electrolytes
MATERIALS TRANSACTIONS·2023· 1 citedOpen Access
Migration of endothelial cells on the surface of anodized Ni-Ti stent strut
Frontiers in Medical Technology·2023· 4 citedOpen Access
Surface Functionalization of Metal Biomaterials Via Anodization
Journal of The Surface Finishing Society of Japan·2023Open Access
Endothelial cell distribution on the surface of anodized Ni-Ti stent struts after the flow exposure
The Proceedings of Mechanical Engineering Congress Japan·2023Open Access
Comparison of open-atmosphere nitriding on various metal surfaces triggered by a focused pulsed laser irradiation
Surface and Coatings Technology·2022· 4 cited
Antibacterial Surface Treatment for Metallic Material Applied to Medical Devices～Antibacterial Functionalization via Fabrication of Nanopillar～
Materia Japan·2022· 1 citedOpen Access
Characteristic variation of pulsed‐anodized NiTi surface by the adjustment of voltage‐unapplied state
Surface and Interface Analysis·2022· 6 cited
An open-atmosphere nitriding process for titanium using a watt-level pulsed Nd:YAG laser
Surface and Coatings Technology·2022· 10 cited
Fabrication of Nanoprotrusion Surface on AISI 316 Stainless Steel via Ar–N&lt;sub&gt;2&lt;/sub&gt; Plasma Etching
MATERIALS TRANSACTIONS·2022· 4 citedOpen Access
XPS study on surface modification of NiTi alloy by acidic solution immersion and subsequent heating in air
Surface and Interface Analysis·2021· 3 cited
A facile chemical process to form an ultrathin hydroxyapatite layer with a customizable silver‐releasing function on a titanium implant
Journal of Biomedical Materials Research Part B Applied Biomaterials·2021· 1 cited
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Frequent Co-authors

Kazuaki Wagatsuma(11), Mitsuhiro Hirano(8), Naoya Masahashi(8), Yoshiteru Mizukoshi(7), Satoshi Semboshi(7), Takao Hanawa(7), Masaoki Oku(6), Kesami Saito(5), Katsuhiko Asami(5), Kenji Kodama(5), Misao Yamane(3), K. Asami(3), K. Sato(3), Toetsu Shishido(3), B. Tsuchiya(3), Kouta Sakamoto(2), Sachiko Hiromoto(2), Chunling Qin(2), Mitsuo Niinomi(2), Masaaki Nakai(2)