Sakai Display Products is the subsidiary in Japan founded in 2009 and owned by Sharp Corporation.
According to PR-model, sdp.co.jp is ranked 561,560th in multilingual Wikipedia, in particular this website is ranked 461,228th in English Wikipedia.
The website is placed before kai-webzine.com and after ulla-jelpke.de in the BestRef global ranking of the most important sources of Wikipedia.