Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5365521 | Data transmission and transmission path setting among exchange modules in building block type exchanger | Hirokazu Ohnishi, Shinji Yasuda, Kouji Kogure, Shigehiko Suzuki | 1994-11-15 |