Otsuka (Japan)

Otsuka (Japan)

Otsuka Pharmaceutical Co., Ltd., abbreviated OPC, is a pharmaceutical company headquartered in Chiyoda, Tokyo. The company was established on August 10, 1964. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for Otsuka (Japan), Japan, covering academic research published from 2000 to 2024. Read More.


Open Access Percentage

48%


Total
Publications

6.2K


Total Open
Publications

2.9K


Total
Citations

186K


Open Access
Percentage

48%


Total
Publications

6.2K


Total Open
Publications

2.9K


Total
Citations

186K

Wikipedia

Website

download

Breakdown

23% 21% 4% 52%

Publisher Open

23%

Both

21%

Other Platform Open

4%

Closed

52%

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

050100150200250300350400Total Publications
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Open

Closed

Publisher Open

45%OA Journal

OA Journal 45%

1.2K

Hybrid 20%

547

No Guarantees 35%

928

Other Platform Open

Domain 56%

919

Institution 30%

484

Other Internet 19%

305

Preprint 12%

200

Public 2%

32

Other Platform Locations

Name

Platform Type

Publications

PubMed Central
Domain
910
Office of Scientific and Technical Information
Institution
700
DOI
Other Internet
298
Queen Mary University of London
Institution
248
Universidad de Granada
Institution
228
University of Milan
Institution
175
Belarusian State University
Institution
175
University of Arizona
Institution
172
Consejo Superior de Investigaciones Científicas
Institution
163
arXiv
Preprint
160
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Data updated 18 August 2025

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