Keio University

Keio University

Keio University, abbreviated as Keio or Keidai, is a private research university located in Minato, Tokyo, Japan. It was originally established as a school for Western studies in 1858 in Edo. It was granted university status in 1920, becoming one of the first private universities in the country. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for Keio University, Japan, covering academic research published from 2000 to 2025. Read More.


Open Access Percentage

50%


Total
Publications

87K


Total Open
Publications

43K


Total
Citations

2M


Open Access
Percentage

50%


Total
Publications

87K


Total Open
Publications

43K


Total
Citations

2M

Wikipedia

Website

download

Breakdown

26% 18% 6% 50%

Publisher Open

26%

Both

18%

Other Platform Open

6%

Closed

50%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

05001k1.5k2k2.5k3k3.5k4k4.5k5kTotal Publications
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Open

Closed

Publisher Open

37%OA Journal

OA Journal 37%

14K

Hybrid 18%

6.9K

No Guarantees 45%

17K

Other Platform Open

Domain 60%

13K

Institution 51%

11K

Preprint 16%

3.5K

Other Internet 12%

2.6K

Public 3%

564

Other Platform Locations

Name

Platform Type

Publications

PubMed Central
Domain
13K
doaj.org OAI-PMH Repository
Institution
7.4K
DOI
Other Internet
2.3K
arXiv
Preprint
2.2K
National Institute of Informatics
Institution
1.8K
Europe PMC
Domain
671
Research Square
Preprint
564
Unknown Repository
Other Internet
526
Figshare
Public
520
bioRxiv
Preprint
452
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Data updated 12 August 2026

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