/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: YoshihiroUda https://cdn.slidesharecdn.com/profile-photo-YoshihiroUda-48x48.jpg?cb=1572791409 Joined NEC in 1976. Worked on R&D of fiber optic communication technology for more than 30 years. Joined JATES in 2009 as a manager and senior researcher.