Open Access statistics for Okayama University, Japan, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
52%
Total
Publications
53K
Total Open
Publications
28K
Total
Citations
1.3M
Open Access
Percentage
52%
Total
Publications
53K
Total Open
Publications
28K
Total
Citations
1.3M
Breakdown
Publisher Open
27%
Both
19%
Other Platform Open
7%
Closed
47%
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 32%
8K
Hybrid 19%
4.6K
No Guarantees 49%
12K
Other Platform Open
Institution 65%
9.1K
Domain 56%
7.8K
Preprint 11%
1.6K
Other Internet 11%
1.5K
Public 2%
336
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 8K |
National Institute of Informatics | Institution | 4.4K |
doaj.org OAI-PMH Repository | Institution | 4K |
DOI | Other Internet | 1.4K |
arXiv | Preprint | 945 |
Okayama University | Institution | 777 |
Office of Scientific and Technical Information | Institution | 684 |
Europe PMC | Domain | 398 |
Research Square | Preprint | 343 |
Consejo Superior de Investigaciones Científicas | Institution | 324 |
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