
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
19%
Total
Publications
85
Total Open
Publications
16
Total
Citations
1.9K
Open Access
Percentage
19%
Total
Publications
85
Total Open
Publications
16
Total
Citations
1.9K
Breakdown
Publisher Open
13%
Both
5%
Other Platform Open
0%
Closed
82%
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 40%
6
Hybrid 27%
4
No Guarantees 33%
5
Other Platform Open
Domain 50%
2
Institution 25%
1
Other Internet 25%
1
Preprint 0%
0
Public 0%
0
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 2 |
DOI | Other Internet | 2 |
University of Padua - Padua Research Archive | Institution | 1 |
University of Bristol - Bristol Research | Institution | 1 |
Fraunhofer-Gesellschaft - Fraunhofer-Publica | Institution | 1 |