Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6879592 | Switching system and switching control method | Koji Hirayama, Haruo Shibata, Akio Kawase | 2005-04-12 |
| 6396808 | ATM switching network and ATM switching system in which the transfer of inputted cells is controlled by control cells, and signal processing method in ATM switching network | Masao Kunimoto, Kenji Kawakita, Satoshi Shimizu | 2002-05-28 |
| 6094433 | ATM switching network and ATM switching system in which the transfer of inputted cells is controlled by control cells, and signal processing method in ATM switching network | Masao Kunimoto, Kenji Kawakita, Satoshi Shimizu | 2000-07-25 |
| 5838770 | Portable telephone system | Yutaka Fukushima, Tetsuo Takemura, Mitsuyoshi Hashida, Masao Wanami, Isao Shimbo +8 more | 1998-11-17 |
| 5579370 | Portable telephone system | Yutaka Fukushima, Tetsuo Takemura, Mitsuyoshi Hashida, Masao Wanami, Isao Shimbo +8 more | 1996-11-26 |
| 5519690 | Communication control apparatus having function for limiting frame reception and switching system with the same | Tetsuya Suzuka, Masao Kunimoto, Satoshi Shimizu | 1996-05-21 |
| 5214642 | ATM switching system and adaptation processing apparatus | Masao Kunimoto, Jiro Kashio, Kenji Kawakita, Shinobu Gohara, Hiroyuki Ichikawa | 1993-05-25 |