Tel :null
          MailTo :y.nakagawa@[this.domain].info
     Twitter.com :@eric_lightning
    Facebook.com :ericlightningsky: Nakagawa Yuuto
      Github.com :Eric-Lightning
     linkdin.com :yuuto-n-900aa0a
    jp.quora.com :Quora
researchgate.net :Research Gate, 
             and :LINE WhatsApp etc... ok.
   Home Location :Chiba-Prefecture.