Nihon Dempa Kogyo Co., Ltd. or NDK is one of the world's largest quartz crystal companies, based in Shibuya, Tokyo, Japan. Using its synthetic quartz crystals, NDK produces crystal-related products such as crystal devices and ultrasonic transducers for medical use. Derived from Wikipedia licensed CC-BY-SA.
Open Access statistics for Nihon Dempa Kogyo (Japan), Japan, covering academic research published from 2001 to 2024. Read More.
Open Access Percentage
18%
Total
Publications
85
Total Open
Publications
15
Total
Citations
1.8K
Open Access
Percentage
18%
Total
Publications
85
Total Open
Publications
15
Total
Citations
1.8K
Breakdown
Publisher Open
8%
Both
8%
Other Platform Open
1%
Closed
83%
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 28%
4
Hybrid 36%
5
No Guarantees 36%
5
Other Platform Open
Institution 38%
3
Domain 38%
3
Public 38%
3
Preprint 13%
1
Other Internet 13%
1
Other Platform Locations
Name | Platform Type | Publications |
---|---|---|
whiterose.ac.uk OAI-PMH Repository | Institution | 3 |
Semantic Scholar | Public | 3 |
PubMed Central | Domain | 3 |
University of Bristol - Bristol Research | Institution | 2 |
Europe PMC | Domain | 2 |
University of Padua - Padua Research Archive | Institution | 1 |
University of Padova - Padua Research Archive | Institution | 1 |
The University of Glasgow - Enlighten: Publications | Institution | 1 |
medRxiv | Preprint | 1 |
Massachusetts Institute of Technology - DSpace@MIT | Institution | 1 |