Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671760 | Switching system for controlling internal apparatuses in an exchange system | Hiroya Kawasaki, Masaki Kira, Atsushi Fujihira, Hidetoshi Iwasa | 2003-12-30 |
| 6546019 | Duplex memory control apparatus | Yoshiharu Kato, Ryo Takajitsuko, Hidetoshi Iwasa | 2003-04-08 |
| 6512765 | Exchange | Yoshiharu Kato, Ryo Takajitsuko, Hidetoshi Iwasa | 2003-01-28 |