
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
Breakdown
Publisher Open
44%
Both
10%
Other Platform Open
3%
Closed
43%
Percentage of Open Access over time
Publisher Open
Both
Other Platform Open
Closed
Volume of Open Access over time
Open
Closed
Publisher Open
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 |