Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7023964 | Communication system | Masaharu Matsumoto, Shigehiko Yazawa, Kazushige Haruta, Hiroshi Ozawa, Takashi Matsumoto | 2006-04-04 |
| 4512015 | Digital time-division switch | Makoto Fujisawa, Shoji Nojiri, Yoshikazu Tanaka | 1985-04-16 |