Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7177636 | Radio terminal, radio terminal controlling apparatus and location registration auxiliary apparatus | Toshikane Oda | 2007-02-13 |
| 6111937 | Apparatus and method for automatically determining whether a telephone service user speaks the language of the service | Shingo Kuroiwa, Shin-ichi Sakayori, Seiichi Yamamoto | 2000-08-29 |
| 5960063 | Telephone speech recognition system | Shingo Kuroiwa, Masaki Naito, Seiichi Yamamoto, Shin-ichi Sakayori | 1999-09-28 |
| 5309440 | ISDN user-network interface system | Hajime Nakamura, Hiroyuki Kikuta, Fumio Watanabe | 1994-05-03 |
| 5270701 | Service processing system with distributed data bases | Atsushi Ito, Hikaru Yagi, Nobuo Furuya, Yoshikazu Ikeda | 1993-12-14 |
| 5062106 | ATM exchange system | Katsuyuki Yamazaki | 1991-10-29 |
| 4923265 | Light triggering switch | Katsuyuki Utaka | 1990-05-08 |
| 4910766 | Quasi reservation-based communication service process system | Nagao Ogino, Yoshikazu Ikeda | 1990-03-20 |
| 4894861 | Terminal in communication network for notifying originating party's number | — | 1990-01-16 |
| 4894818 | Optical packet switching system using multi-stage combination of light triggering switches | Katsuyuki Utaka | 1990-01-16 |
| 4792800 | Local communication system among | Yoshikazu Ikeda, Nobuo Furuya | 1988-12-20 |
| 4722082 | ISDN subscriber terminal control system | Nobuo Furuya, Yoshikazu Ikeda | 1988-01-26 |
| 4692917 | Packet switching system | — | 1987-09-08 |
| 4421955 | Distributed switching system | Hiromichi Mori, Jun Matsumoto | 1983-12-20 |
| 4392224 | Speech path switching system in time-divisional electronic telephone switching system | Hiromichi Mori, Jun Matsumoto | 1983-07-05 |