Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9497177 | Communications relay apparatus | Kouji Fujiki, Tomohisa Kishigami, Yasumasa Imai | 2016-11-15 |
| 9386070 | Delay system, delay device and communication device constituting delay system | Yasumasa Imai, Tomohisa Kishigami, Kouji Fujiki | 2016-07-05 |
| 4345186 | Metal vapor discharge lamp | Masato Saito, Michihiro Tsuchihashi, Keiji Fukuyama, Keiji Watanabe | 1982-08-17 |