University of the Ryukyus

University of the Ryukyus

The University of the Ryukyus, abbreviated to Ryūdai, is a Japanese national university in Nishihara, Okinawa, Japan. Established in 1950, it is the westernmost national university of Japan and the largest public university in Okinawa Prefecture. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for University of the Ryukyus, Japan, covering academic research published from 2000 to 2024. Read More.


Open Access Percentage

50%


Total
Publications

14K


Total Open
Publications

7.1K


Total
Citations

313K


Open Access
Percentage

50%


Total
Publications

14K


Total Open
Publications

7.1K


Total
Citations

313K

Wikipedia

Website

download

Breakdown

24% 20% 6% 50%

Publisher Open

24%

Both

20%

Other Platform Open

6%

Closed

50%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

0100200300400500600700800Total Publications
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Open

Closed

Publisher Open

36%OA Journal

OA Journal 36%

2.2K

Hybrid 23%

1.5K

No Guarantees 41%

2.5K

Other Platform Open

Domain 65%

2.4K

Institution 27%

988

Public 17%

615

Preprint 14%

524

Other Internet 9%

318

Other Platform Locations

Name

Platform Type

Publications

PubMed Central
Domain
2.4K
Europe PMC
Domain
1.3K
Semantic Scholar
Public
549
University of the Ryukyus - University of the Ryukyus academic repository
Institution
385
arXiv
Preprint
273
DOI
Other Internet
131
bioRxiv
Preprint
119
Research Square
Preprint
78
CiteSeer X
Other Internet
67
Zenodo
Public
61
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Data updated 13 February 2025

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