Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5719855 | Digital telephone switching system having plural terminal devices directly connected to a common digital line | Tatsuhiko Ando, Yuji Kobayashi | 1998-02-17 |
| 4620678 | Automatic magnetic tape loading apparatus | Takeshi Kawashima, Otoya SAKAI | 1986-11-04 |