/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: hirotoitai https://cdn.slidesharecdn.com/profile-photo-hirotoitai-48x48.jpg?cb=1549785310 I am a wireless enginner. I have developed a novel wireless communication and power transmission can be realized at the same time. I am also engaged in the development of wireless network products that are used in the building.