Issued Patents 2017
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9838120 | Optical signal receiver, optical signal communication system and optical signal receiving method | Yoshihiko Matsukawa | 2017-12-05 |
| 9837049 | Visible light communication system | Yoshihiko Matsukawa | 2017-12-05 |
| 9831950 | Visible light communication receiver, mobile object, and visible light communication system | Yoshihiko Matsukawa, Masahito Ohnishi | 2017-11-28 |
| 9793990 | Worker management device, worker management system, and workwear | Shigeaki Yamasaki, Yoshihiko Matsukawa | 2017-10-17 |
| 9775219 | Mobile terminal and device control system | Yoshihiko Matsukawa | 2017-09-26 |
| 9774397 | Guidance display, guidance system, and guidance method | Shigeaki Yamasaki | 2017-09-26 |
| 9746542 | Lighting apparatus and positioning system | Shojirou Kido, Yosuke Kondo | 2017-08-29 |
| 9553667 | Visible light communication apparatus | Shojirou Kido, Eiji Shiohama, Yoshihiko Matsukawa | 2017-01-24 |