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T. Okuyama · SciRah

Researcher profile · Semantic Scholar

T. Okuyama

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T. Okuyama — researcher profile on SciRah

h-index: 12
Works: 53
Citations: 408

Most-cited papers

Bioimaging application of highly luminescent silica-coated ZnO-nanoparticle quantum dots with biotin.
K. Matsuyama, Neil Ihsan, K. Irie, K. Mishima +2 more
2013Journal of Colloid and Interface Science49 citations
Semantic Scholar
Antibacterial and antifungal properties of Ag nanoparticle-loaded cellulose nanofiber aerogels prepared by supercritical CO2 drying
K. Matsuyama, Kanae Morotomi, S. Inoue, Megumi Nakashima +5 more
2019Journal of Supercritical Fluids42 citations
Semantic Scholar
Supercritical carbon dioxide-assisted drug loading and release from biocompatible porous metal-organic frameworks.
K. Matsuyama, N. Hayashi, M. Yokomizo, Takafumi Kato +2 more
2014Journal of materials chemistry. B42 citations
Semantic Scholar
Catalytically active Pt nanoparticles immobilized inside the pores of metal organic framework using supercritical CO2 solutions
K. Matsuyama, Momoe Motomura, Takafumi Kato, T. Okuyama +1 more
201641 citations
Semantic Scholar
Supercritical fluid-assisted immobilization of Pd nanoparticles in the mesopores of hierarchical porous SiO2 for catalytic applications
K. Matsuyama, Shota Tanaka, Takafumi Kato, T. Okuyama +3 more
201723 citations Open access
Semantic Scholar
Dynamical diffraction effect on HOLZ-pattern geometry in Si-Ge alloys and determination of local lattice parameter
Y. Tomokiyo, S. Matsumura, T. Okuyama, T. Yasunaga +2 more
199422 citations
Semantic Scholar
Application of Higher Order Laue Zone Patterns to Lattice Parameter Determination in Cu-based Alloys
Y. Tomokiyo, S. Matsumura, N. Kuwano, M. Kominami +2 more
198622 citations
Semantic Scholar
Analysis of Local Lattice Strains Around Plate-Like Oxygen Precipitates in Czochralski-Silicon Wafers by Convergent-Beam Electron Diffraction
T. Okuyama, Masaru Nakayama, S. Sadamitsu, Jyun Nakashima +1 more
199718 citations
Semantic Scholar
Hydrophobic modification of fibers by pressure-induced phase-separation coupled with ultrasonic irradiation in high-pressure liquid carbon dioxide
K. Matsuyama, Satoshi Tanaka, T. Okuyama
201414 citations
Semantic Scholar
Electrochemical Hydrogenation of Ti45Zr38Ni17 Quasi Crystal and Amorphous Powders Produced by Mechanical Alloying
A. Takasaki, W. Zając, T. Okuyama, J. Szmyd
200914 citations
Semantic Scholar
Formation of poly(methyl methacrylate)-ZnO nanoparticle quantum dot composites by dispersion polymerization in supercritical CO2
K. Matsuyama, Yuji Maeda, T. Matsuda, T. Okuyama +1 more
201513 citations
Semantic Scholar
Face-Selective Crystal Growth of Hydrothermal Tungsten Oxide Nanowires for Sensing Volatile Molecules
Sho Nekita, K. Nagashima, Guo-Zhu Zhang, Qianli Wang +6 more
202012 citations
Semantic Scholar
Synthesis of Ti-Zr-Ni amorphous and quasicrystal powders by mechanical alloying, and their electrochemical properties
A. Takasaki, T. Okuyama, J. Szmyd
201012 citations
Semantic Scholar
Supercritical CO2‐assisted formation of metal–organic framework‐loaded porous polystyrene membranes for dye removal
K. Matsuyama, Yuka Kawahara, Ayano Shoji, Takafumi Kato +1 more
2023Journal of Applied Polymer Science9 citations Open access
Semantic Scholar
Dynamical diffraction effects on higher-order Laue zone lines in CBED patterns of semiconductors
T. Okuyama, S. Matsumura, N. Kuwano, K. Oki +1 more
19899 citations
Semantic Scholar
Low-temperature AlN film deposition using magnetic mirror-type magnetron cathode for low gas pressure operation
T. Motomura, T. Tabaru, M. Uehara, Y. Fujio +1 more
20207 citations
Semantic Scholar
Preparation of catalytically active Au nanoparticles by sputter deposition and their encapsulation in metal-organic framework of Cu3(BTC)2
K. Matsuyama, T. Tsubaki, Takafumi Kato, T. Okuyama +1 more
20207 citations
Semantic Scholar
Strain Analysis of Si by FEM and Energy-Filtering CBED
T. Okuyama, Masaru Nakayama, Y. Tomokiyo, O. Van der Biest
2002Microscopy and Microanalysis6 citations
Semantic Scholar
Convergent-Beam Electron Diffraction for Local Lattice Parameters in III-V Semiconductors
Y. Tomokiyo, T. Okuyama, S. Matsumura, N. Kuwano +1 more
19906 citations Open access
Semantic Scholar
Catalytically active PdRu and CuRu bimetallic nanoparticle formation in the mesoporous SiO2 by supercritical CO2-assisted immobilization
K. Matsuyama, Noriyuki Tomiyasu, Kaho Inoue, R. Yokomizo +2 more
20205 citations
Semantic Scholar
Effect of Nb on Thermal-Shock Resistance of Austenitic Heat Resistant Cast Steel
T. Okuyama, T. Higashizono, L. Ngo, M. Kudo
2019MATERIALS TRANSACTIONS5 citations Open access
Semantic Scholar
Role of Matrix Structure on Impact-Wear Resistance of As-Quenched 27%Cr Cast Iron
L. Ngo, Koreaki Koizumi, K. Mizuno, Yutaka Yamada +2 more
2022MATERIALS TRANSACTIONS4 citations Open access
Semantic Scholar
Influence of nitrogen gas flow ratio on gallium nitride film growth using high-density convergent plasma sputtering device at room temperature
T. Motomura, T. Tabaru, Y. Fujio, T. Okuyama
20214 citations
Semantic Scholar
Interaction between θ'-Al2Cu and Al3Sc in the Heterogeneous Precipitation in an Al-Cu-Sc Alloy
Masaru Nakayama, T. Okuyama, Y. Miura
20004 citations Open access
Semantic Scholar
TEM Observation of Cu Particles Dispersed in Sputtered SiO2 Film
S. Matsushima, Kenkichiro Kobayashi, G. Okada, T. Okuyama
19944 citations Open access
Semantic Scholar
Higher order Laue zone patterns in convergent beam electron diffraction and determinations of local lattice parameters in .ALPHA.- and .ALPHA.2-phases of a Cu-20at%Al alloy.
T. Okuyama, S. Matsumura, Y. Tomokiyo, N. Kuwano +1 more
19894 citations Open access
Semantic Scholar
Influence of As-Cast Microstructure on the Impact Wear Resistance of 27 mass%Cr Cast Iron
L. Ngo, Koreaki Koizumi, K. Mizuno, Yutaka Yamada +1 more
2019MATERIALS TRANSACTIONS3 citations Open access
Semantic Scholar
Microstructures of SUS304 Stainless Steel after Long-Term Service in Vacuum Carburizing Quenching
L. Ngo, T. Okuyama, Koreaki Koizumi
2023Journal of the Japan Institute of Metals and Materials2 citations Open access
Semantic Scholar
Changes in Carburized Microstructures and Creep Properties of Nb-Added SCH13A Heat-Resistant Cast Steel due to Different Pouring Temperatures
T. Okuyama, L. Ngo, Masaki Kudo, K. Mizuno +1 more
2023Journal of the Japan Institute of Metals and Materials1 citations Open access
Semantic Scholar
Influence of Nb Addition on Microstructure and Creep Property of Heat-Resistant Cast Steel in Vacuum Carburizing and Quenching
L. Ngo, T. Okuyama, Masaru Nakayama, K. Mizuno +1 more
2022MATERIALS TRANSACTIONS1 citations
Semantic Scholar
Effect of RF power on AlN film crystallinity in low pressure range using Ar-20%N2 gases by magnetic mirror-type magnetron cathode
Yuto Kawato, T. Motomura, T. Tabaru, M. Uehara +1 more
2022Japanese Journal of Applied Physics1 citations
Semantic Scholar
Influence of Nb and V Addition on Abrasive and Impact Wear Properties of 16%Cr–3%Mo White Cast Iron
L. Ngo, Koreaki Koizumi, T. Okuyama
20201 citations Open access
Semantic Scholar
First-principles study of electronic structure of Er-doped monoclinic ZrO2
Y. Obukuro, Toru Okawara, T. Okuyama
2019Journal of the Ceramic Society of Japan1 citations Open access
Semantic Scholar
(Cu,Ag) 2 SnS 3 Thermoelectrics
S. Nakamura, Shinya Shiga, T. Okuyama, Takehito Kato +6 more
20200 citations
Semantic Scholar
PM-15 ZnO nanoparticles with fluorescent properties suitable for modification on protein surfaces.
T. Okuyama, Akinori Nakamura, Keisuke Ohta, K. Matsuyama +1 more
2019Microscopy0 citations Open access
Semantic Scholar
Structural Control of Hydrothermally Grown Tungsten Oxide Nanowires
Sho Nekita, K. Nagashima, Guo-Zhu Zhang, T. Yanagida +1 more
20190 citations
Semantic Scholar
PM-09 Evaluation of crystal structure and surface-to-molecule interaction in hydrothermally grown titanium oxide nanowires
Takato Yokoo, K. Nagashima, T. Yanagita, Y. Obukuro +1 more
2019Microscopy0 citations Open access
Semantic Scholar
PM-10 Effect of microstructure on creep property of W-added heat resistant cast steel
K. Ngo-Huynh, T. Okuyama, Koreaki Koizumi, M. Kudo
2019Microscopy0 citations Open access
Semantic Scholar
Influence of Elements Addition on Crystal Structure of AlN Piezoelectric Thin Film
Saki Tanaka, M. Uehara, S. A. Anggraini, T. Okuyama +2 more
20180 citations
Semantic Scholar
PM-24Study on ZrO2 nanoparticles having fluorescence property synthesized by complexing agent
T. Okuyama, Takato Yokoo, Y. Yamasaki, K. Matsuyama +1 more
2018Microscopy0 citations Open access
Semantic Scholar
Development of Semi-rigid Superconducting Coaxial Cables with Clad Central Conductor for Low-Noise Experiments
A. Kushino, T. Okuyama, S. Kasai
2018Journal of Low Temperature Physics0 citations
Semantic Scholar
Development of thin semi-rigid coaxial cables as low-pass filter using bilayer structure in center conductors
A. Kushino, Y. Yamamoto, T. Okuyama, S. Kasai
20170 citations
Semantic Scholar
Work equipment battery housing, work equipment battery unit, battery-operated working device and battery-powered forklifts
T. Okuyama, T. Souma
20130 citations
Semantic Scholar
Battery Powered Forklifts
K. Nishiyama, K. Kurihara, T. Okuyama
20120 citations
Semantic Scholar
Electrochemical Properties of Ti45Zr38Ni17 Quasicrystal and Amorphous Produced by Mechanical Alloying
T. Okuyama, A. Takasaki, W. Zając
20100 citations Open access
Semantic Scholar
Effect of Substitution of Ni for Zr on the Electrochemical Propertoes of Ti-Zr-Ni Quasicrystals
T. Okuyama, C. Kuroda, A. Takasaki
20100 citations
Semantic Scholar
Nanostructures and Luminescence Properties of Zr Based Nanoparticles Prepared by Solution Growth Technique
T. Okuyama, K. Kaneko
20090 citations Open access
Semantic Scholar
Electrochemical aProperties of Ti45Zr38Ni17 Quasicrystals Produced by Mechanical Alloying and Rapidly Quenching
T. Okuyama, A. Takasaki, Shawn Lee, J.-Y. Kim
20090 citations
Semantic Scholar
Analysis of Local Stress Distribution in Si Wafer by Combination Technique of CBED and FEM
T. Okuyama
20060 citations Open access
Semantic Scholar
Introducing the LEO NXT Series 1-to 3-Ton Engine-Powered Forklift Trucks 関泰夫 Yasuo Seki
Yasuo Seki, Shin-ichi Katou, Yoshiyuki Yoshida, T. Okuyama +1 more
20030 citations
Semantic Scholar

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