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 2023. Read More.
Open Access Percentage
16%
Total
Publications
80
Total Open
Publications
13
Total
Citations
1.7K
Open Access
Percentage
16%
Total
Publications
80
Total Open
Publications
13
Total
Citations
1.7K
Breakdown
Publisher Open
10%
Both
6%
Other Platform Open
0%
Closed
84%
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 31%
4
Hybrid 31%
4
No Guarantees 38%
5
Other Platform Open
Domain 60%
3
Public 60%
3
Institution 20%
1
Preprint 0%
0
Other Internet 0%
0
Other Platform Locations
Name | Platform Type | Publications |
---|---|---|
Semantic Scholar | Public | 3 |
PubMed Central | Domain | 3 |
University of Bristol - Bristol Research | Institution | 2 |
unipd.it OAI-PMH Repository | Institution | 2 |
Europe PMC | Domain | 2 |
Cardiff University - ORCA Online Research @Cardiff | Institution | 2 |
whiterose.ac.uk OAI-PMH Repository | Institution | 1 |
The University of Glasgow - Enlighten: Publications | Institution | 1 |
Massachusetts Institute of Technology - DSpace@MIT | Institution | 1 |