Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5408522 | Modem pooling system | Norimitsu Ikehata, Takashi Aoki, Yuichi Yamazaki, Hiroshi Mano, Yoshikazu Sano | 1995-04-18 |
| 5339355 | Modem pooling system for communicating between a telephone and a plurality of data terminals | Yuichi Yamazaki, Hiroshi Mano, Norimitsu Ikehata, Takashi Aoki, Yoshikazu Sano | 1994-08-16 |
| 5337348 | Modem pooling system for communicating between a telephone and a plurality of data terminals | Yuichi Yamazaki, Hiroshi Mano, Norimitsu Ikehata, Takashi Aoki, Yoshikazu Sano | 1994-08-09 |
| 5319700 | Terminal adapter pooling system for | Hiroshi Mano, Yuichi Yamazaki, Norimitsu Ikehata, Takashi Aoki, Yoshikazu Sano | 1994-06-07 |
| 4969057 | Floppy disc drive apparatus for preventing absorption between a head and a floppy disc | Shunji Inomata, Tamotsu Wakabayashi | 1990-11-06 |
| 4852158 | Telephone system allowing hold releasing request from central office line | Masayuki Tsurusaki, Tamotsu Wakabayashi, Hiroshi Mano | 1989-07-25 |
| 4559417 | Method of setting operating data in a key telephone system | Isaku Komuro, Yoshikazu Sano | 1985-12-17 |
| 4491693 | Key telephone system and method of setting operating data in the key telephone system | Yoshikazu Sano, Yasuji Sato | 1985-01-01 |
| 4320497 | Method for testing communication paths | Eizo Kishikawa | 1982-03-16 |