Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6560219 | Hybrid exchange, an exchange, and a re-arrangement method for STM data in an exchange | Masami Murayama, Sachiko Inoue, Hidehiko Suzuki, Yoshihiro Kubota, Kohei Ueki | 2003-05-06 |
| 6046996 | Identifier translation apparatus | Tadashi Hoshino, Naoki Aihara, Tomoyuki Yamaguchi | 2000-04-04 |
| 5329538 | Circuit for providing digital data having high clarity in a digital signal receiver | Hisato Kawano, Shigeru Sekine, Masaki Kira | 1994-07-12 |
| 5299187 | Time-multiplexed highway line designating system | Kenichi Okabe, Masaki Kira | 1994-03-29 |
| 4872199 | Battery-feed circuit for exchange | Shigeru Kawami, Shigeo Sano, Nobuyuki Masuda | 1989-10-03 |
| 4677669 | Battery feed circuit for a pair of subscriber lines | Shigeru Kawami, Mitsutoshi Ayano, Kiyoshi Shibuya, Shin Itoh | 1987-06-30 |