Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4592046 | Subscriber's circuit for time division switching system | Yoshihiro Kawata, Tsunetaka Sakata, Teruo Matsufuji, Hiroyuki Miyashita | 1986-05-27 |
| 4353066 | Channel switching network | Kazutada Katsukura, Hikaru Takematsu | 1982-10-05 |