Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D853981 | Telephone | Hiromitsu Nakano, Katsufumi Matsuura, Wataru Kuwajima, Masakatsu Takizawa, Yasuhito Nagaki | 2019-07-16 |
| D837785 | Communication relay exchange control machine | Takayuki Izumo, Yasuhito Nagaki | 2019-01-08 |