Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5347577 | Battery feed circuit for supplying feed current to telephone set | Kazuhiro Yoshida, Kazuyuki Minohara | 1994-09-13 |
| 5335271 | Ring trip detection circuit | Kazumi Kinoshita, Kiyoshi Kurosaki, Taichi Kosako, Kazuyuki Minohara | 1994-08-02 |
| 5311518 | ISDN interface circuit and system using the same | Yozo Iketani, Takashi Sato, Hiroyuki Ujiie, Seiji Miyoshi | 1994-05-10 |