Otsuka (Japan)

Otsuka (Japan)

Otsuka Pharmaceutical Co., Ltd., abbreviated OPC, is a pharmaceutical company headquartered in Tokyo, Osaka and Naruto, Japan. The company was established 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

50%


Total
Publications

6.1K


Total Open
Publications

3.1K


Total
Citations

182K


Open Access
Percentage

50%


Total
Publications

6.1K


Total Open
Publications

3.1K


Total
Citations

182K

Wikipedia

Website

download

Breakdown

25% 22% 3% 50%

Publisher Open

25%

Both

22%

Other Platform Open

3%

Closed

50%

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

41%OA Journal

OA Journal 41%

1.2K

Hybrid 28%

817

No Guarantees 31%

896

Other Platform Open

Domain 58%

928

Other Internet 36%

568

Institution 34%

539

Preprint 10%

154

Public 2%

31

Other Platform Locations

Name

Platform Type

Publications

PubMed Central
Domain
927
U.S. Department of Energy Office of Scientific and Technical Information - OSTI OAI
Institution
700
Unknown Repository
Other Internet
585
Queen Mary University of London - Queen Mary Research Online
Institution
273
University of Granada - Institutional Repository of the University of Granada
Institution
245
DOI
Other Internet
245
Universita Degli Studi Di Milano - Archivio Istituzionale della Ricerca
Institution
184
The University of Arizona - UA Campus Repository
Institution
178
Belarusian State University - BSU Digital Library
Institution
176
Universidad Autónoma de Madrid - Biblos-e Archivo
Institution
160
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Data updated 18 August 2025

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