Open Access statistics for Tohoku University, Japan, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
48%
Total
Publications
182K
Total Open
Publications
87K
Total
Citations
4.6M
Open Access
Percentage
48%
Total
Publications
182K
Total Open
Publications
87K
Total
Citations
4.6M
Breakdown
Publisher Open
26%
Both
15%
Other Platform Open
7%
Closed
52%
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 34%
26K
Hybrid 18%
14K
No Guarantees 48%
36K
Other Platform Open
Institution 57%
23K
Domain 42%
17K
Preprint 23%
9.1K
Other Internet 12%
4.9K
Public 3%
1.1K
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 17K |
doaj.org OAI-PMH Repository | Institution | 12K |
arXiv | Preprint | 7.3K |
National Institute of Informatics | Institution | 5.8K |
DOI | Other Internet | 4.5K |
Office of Scientific and Technical Information | Institution | 2K |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 947 |
Figshare | Public | 929 |
Research Square | Preprint | 862 |
Europe PMC | Domain | 861 |
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