Otsuka Pharmaceutical (Spain)

Otsuka Pharmaceutical (Spain)

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 Pharmaceutical (Spain), Spain, covering academic research published from 2000 to 2025. Read More.


Open Access Percentage

67%


Total
Publications

921


Total Open
Publications

614


Total
Citations

22K


Open Access
Percentage

67%


Total
Publications

921


Total Open
Publications

614


Total
Citations

22K

Wikipedia

Website

download

Breakdown

39% 22% 6% 33%

Publisher Open

39%

Both

22%

Other Platform Open

6%

Closed

33%

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

0102030405060708090100110Total Publications
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Open

Closed

Publisher Open

25%OA Journal

OA JournalĀ 25%

140

HybridĀ 20%

110

No GuaranteesĀ 55%

312

Other Platform Open

Domain 68%

175

Institution 38%

97

Other Internet 12%

31

Preprint 6%

16

Public 0%

1

Other Platform Locations

Name

Platform Type

Publications

PubMed Central
Domain
178
doaj.org OAI-PMH Repository
Institution
57
Unknown Repository
Other Internet
18
Research Square
Preprint
14
DOI
Other Internet
13
National Institute of Informatics
Institution
8
University of Modena and Reggio Emilia
Institution
6
University of Groningen
Institution
3
National Institutes of Health
Institution
3
University of Southern Denmark
Institution
2
1 / 5

Data updated 12 August 2026

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