Nippon Koei (Japan)

Nippon Koei (Japan)

Open Access statistics for Nippon Koei (Japan), Japan, covering academic research published from 2000 to 2024.

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


Open Access Percentage

57%


Total
Publications

861


Total Open
Publications

492


Total
Citations

13K


Open Access
Percentage

57%


Total
Publications

861


Total Open
Publications

492


Total
Citations

13K

Website

download

Breakdown

44% 10% 3% 43%

Publisher Open

44%

Both

10%

Other Platform Open

3%

Closed

43%

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

05101520253035404550556065Total Publications
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Open

Closed

Publisher Open

30%OA Journal

OA Journal 30%

141

Hybrid 12%

54

No Guarantees 58%

267

Other Platform Open

Domain 51%

58

Other Internet 27%

31

Institution 17%

19

Preprint 11%

13

Public 1%

1

Other Platform Locations

Name

Platform Type

Publications

PubMed Central
Domain
58
DOI
Other Internet
30
arXiv
Preprint
11
Europe PMC
Domain
7
Ecole Polytechnique Fédérale de Lausanne - Infoscience
Institution
5
Hokkaido University - Hokkaido University Collection of Scholarly and Academic Papers
Institution
3
Chiba Institute of Technology - Springer Link
Institution
3
University of Tsukuba - Terrestrial Environment Research Center
Institution
2
Research Square
Preprint
2
Zenodo
Public
1
1 / 2

Data updated 18 August 2025

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