Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778489 | Subscriber terminating equipment | Kazuyoshi Maruyama | 2004-08-17 |
| 6532260 | Pulse transmission device for use in long-distance communication | — | 2003-03-11 |
| 6434220 | Long-distance transmission system and device | — | 2002-08-13 |
| 6320940 | Network termination device with automatic detection and correction of circuit polarity | — | 2001-11-20 |
| 5331213 | Pulse transmission circuit with undershoot eliminating circuitry | Hisakazu Ohmori, Yukio Furukawa, Akihiko Takada | 1994-07-19 |
| 5038839 | Filling apparatus | Shuji Morimoto, Haruhiko Yoshida, Jotaro Kishimoto, Seiji Ohtani | 1991-08-13 |