Koji Yokoyama

Work function, carrier type, and conductivity of nitrogen-doped single-walled carbon nanotube catalysts prepared by annealing via defluorination and efficient oxygen reduction reaction

Koji Yokoyama, Yoshinori Sato, Masashi Yamamoto et al. · Carbon · 2018 · 39 citations

Natural Sciences, Chemistry, Materials Science +17

Rapid identification of Ochroconis gallopava by a loop-mediated isothermal amplification (LAMP) method

Akira Ohori, Shigeo Endo, Ayako Sano et al. · Veterinary Microbiology · 2005 · 34 citations

Life Sciences, Microbiology, Analytical Chemistry +7

Efficiency and long-term durability of a nitrogen-doped single-walled carbon nanotube electrocatalyst synthesized by defluorination-assisted nanotube-substitution for oxygen reduction reaction

Koji Yokoyama, S. Yokoyama, Yoshinori Sato et al. · Journal of Materials Chemistry A · 2016 · 24 citations

Natural Sciences, Chemical Engineering, Materials Science +17

Design and experimental results of a new electron gun using a magnetic multipole plasma generator

Shigeru Tanaka, Koji Yokoyama, Masato Akiba et al. · Review of Scientific Instruments · 1991 · 19 citations

Natural Sciences, Physics, Electromagnetics +14

Structural and Electrochemical Characterization of Ethylenediaminated Single-Walled Carbon Nanotubes Prepared from Fluorinated SWCNTs

Kohei Bushimata, Shin-ichi Ogino, Kazutaka Hirano et al. · The Journal of Physical Chemistry C · 2014 · 18 citations

Natural Sciences, Materials Engineering, Materials Science +17