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 2025. Read More.
Open Access Percentage
51%
Total
Publications
16K
Total Open
Publications
8.1K
Total
Citations
373K
Open Access
Percentage
51%
Total
Publications
16K
Total Open
Publications
8.1K
Total
Citations
373K
Breakdown
Publisher Open
22%
Both
23%
Other Platform Open
6%
Closed
49%
Percentage of Open Access over time
Publisher Open
Both
Other Platform Open
Closed
Volume of Open Access over time
Open
Closed
Publisher Open
OA Journal 44%
3.2K
Hybrid 19%
1.4K
No Guarantees 37%
2.7K
Other Platform Open
Institution 66%
3.1K
Domain 56%
2.7K
Other Internet 13%
633
Preprint 8%
374
Public 5%
233
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 2.7K |
doaj.org OAI-PMH Repository | Institution | 1.8K |
National Institute of Informatics | Institution | 1.2K |
DOI | Other Internet | 545 |
University of the Ryukyus | Institution | 480 |
arXiv | Preprint | 219 |
Europe PMC | Domain | 171 |
Figshare | Public | 154 |
Unknown Repository | Other Internet | 106 |
bioRxiv | Preprint | 100 |