Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5347577 | Battery feed circuit for supplying feed current to telephone set | Kenji Takato, Kazuhiro Yoshida | 1994-09-13 |
| 5335271 | Ring trip detection circuit | Kenji Takato, Kazumi Kinoshita, Kiyoshi Kurosaki, Taichi Kosako | 1994-08-02 |