Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6298040 | Data link layer processor system for a local exchange system | Masato Aoyagi, Haruhiko Yamamura, Tsutomu Okurano | 2001-10-02 |
| 4935923 | Simple adapter for multiplexing | Hiroshi Ikeda, Hatsuho Murata | 1990-06-19 |
| 4731782 | Digital local switching system for integrated service digital network | Yoshinori Yoshida, Masao Hashimoto, Hideki Nakane | 1988-03-15 |