Oyama Koichiro

Visiting Professor

  • 2465 Citations
  • 28 h-Index
1970 …2019
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Fingerprint Dive into the research topics where Oyama Koichiro is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

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electron Earth & Environmental Sciences
ionospheres Physics & Astronomy
electron energy Physics & Astronomy
ionosphere Earth & Environmental Sciences
plasma Earth & Environmental Sciences
temperature Earth & Environmental Sciences
electron density Earth & Environmental Sciences
ionospherics Physics & Astronomy

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Research Output 1970 2019

2 Citations (Scopus)

Precursor effect of March 11, 2011 off the coast of Tohoku earthquake on high and low latitude ionospheres and its possible disturbing mechanism

Oyama, K. I., Chen, C. H., Bankov, L., Minakshi, D., Ryu, K., Liu, J. Y. & Liu, H., 2019 Apr 15, In : Advances in Space Research. 63, 8, p. 2623-2637 15 p.

Research output: Contribution to journalArticle

tropical regions
polar regions

Role of Equatorial Anomaly in Earthquake time precursive features: A few strong events over West Pacific zone

Devi, M., Patgiri, S., Barbara, A. K., Koichiro, O., Ryu, K., Depuev, V. & Depueva, A., 2018 Mar 15, In : Advances in Space Research. 61, 6, p. 1444-1455 12 p.

Research output: Contribution to journalArticle


The effect of surface contamination of tiny satellite on DC probe ionosphere measurement

Fang, H. K., Chen, W. H., Chen, A. B. & Oyama, K. I., 2018 Oct 1, In : AIP Advances. 8, 10, 105220.

Research output: Contribution to journalArticle

direct current
electrostatic probes
3 Citations (Scopus)

The Midlatitude Trough and the Plasmapause in the Nighttime Ionosphere Simultaneously Observed by DEMETER During 2006–2009

Chen, C. Y., Liu, T. J. Y., Lee, I. T., Rothkaehl, H., Przepiorka, D., Chang, L. C., Matyjasiak, B., Ryu, K. & Oyama, K. I., 2018 Jul, In : Journal of Geophysical Research: Space Physics. 123, 7, p. 5917-5932 16 p.

Research output: Contribution to journalArticle

temperate regions
Electron temperature
2 Citations (Scopus)

Back-diffusion plasma generator for ionosphere study

Fang, H. K., Oyama, K. I. & Chen, A. B., 2017 Oct 31, In : Plasma Sources Science and Technology. 26, 11, 115010.

Research output: Contribution to journalArticle

plasma generators
ion temperature
electron energy