Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5195129 | Switching system for application services | Shigehiko Yazawa, Tsuyoshi Kanai, Hideo Tachieda, Naoto TADA, Masatomo Yazaki | 1993-03-16 |
| 4542496 | Loop transmission system and method of controlling the loop-back condition thereof | Akira Takeyama, Kenshi Tazaki, Satoshi Nojima, Teruyoshi Mita | 1985-09-17 |