| 8160447 |
Communication system using passive optical network and passive optical network |
Munetoshi Tsuge, Takashi Mori, Masanobu Kobayashi, Yoshio Miyamori |
2012-04-17 |
| 8160448 |
Communication system using passive optical network and passive optical network |
Munetoshi Tsuge, Takashi Mori, Masanobu Kobayashi, Yoshio Miyamori |
2012-04-17 |
| 8027586 |
Passive optical network system and optical line terminating apparatus |
Hiroki Ikeda, Masahiko Mizutani, Toshiki Sugawara |
2011-09-27 |
| 7058062 |
Packet switching system having self-routing switches |
Shirou Tanabe, Taihei Suzuki, Yoshito Sakurai, Kenichi Ohtsuki, Takao Kato +2 more |
2006-06-06 |
| 6728242 |
ATM cell switching system |
Yoshito Sakurai, Kenichi Ohtsuki, Makoto Mori, Akira Horiki, Takao Kato +1 more |
2004-04-27 |
| 6639920 |
Distributed type switching system |
Yoshito Sakurai, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara, Eiichi Amada |
2003-10-28 |
| 6618372 |
Packet switching system having-having self-routing switches |
Shirou Tanabe, Taihei Suzuki, Yoshito Sakurai, Kenichi Ohtsuki, Takao Kato +2 more |
2003-09-09 |
| 6546011 |
ATM cell switching system |
Yoshito Sakurai, Kenichi Ohtsuki, Makoto Mori, Akira Horiki, Takao Kato +1 more |
2003-04-08 |
| 6463057 |
ATM cell switching system |
Takahiko Kozaki, Junichirou Yanagi, Kiyoshi Aiki, Yutaka Ito, Kaoru Aoki |
2002-10-08 |
| 6445703 |
ATM cell switching system |
Yoshito Sakurai, Kenichi Ohtsuki, Makoto Mori, Akira Horiki, Takao Kato +1 more |
2002-09-03 |
| 6396831 |
ATM cell switching system |
Takahiko Kozaki, Junichirou Yanagi, Kiyoshi Aiki, Yutaka Ito, Kaoru Aoki |
2002-05-28 |
| 6389025 |
Distributed type switching system |
Yoshito Sakurai, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara, Eiichi Amada |
2002-05-14 |
| 6339596 |
ATM cell switching system |
Takahiko Kozaki, Junichirou Yanagi, Kiyoshi Aiki, Yutaka Ito, Kaoru Aoki |
2002-01-15 |
| 6335934 |
Distributed type switching system |
Yoshito Sakurai, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara, Eiichi Amada |
2002-01-01 |
| 6314096 |
Packet switching system having self-routing switches |
Shirou Tanabe, Taihei Suzuki, Yoshito Sakurai, Kenichi Ohtsuki, Takao Kato +2 more |
2001-11-06 |
| 6304570 |
Distributed type switching system |
Yoshito Sakurai, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara, Eiichi Amada |
2001-10-16 |
| 6285675 |
ATM cell switching system |
Yoshito Sakurai, Kenichi Ohtsuki, Makoto Mori, Akira Horiki, Takao Kato +1 more |
2001-09-04 |
| 6215788 |
ATM cell switching system |
Yoshito Sakurai, Kenichi Ohtsuki, Makoto Mori, Akira Horiki, Takao Kato +1 more |
2001-04-10 |
| RE36751 |
ATM switching system connectable to I/O links having different transmission rates |
Takahiko Kozaki, Junichirou Yanagi, Kiyoshi Aiki, Yutaka Ito, Kaoru Aoki |
2000-06-27 |
| RE36716 |
Switching system for switching cells having error detection apparatus |
Takahiko Kozaki, Yoshito Sakurai |
2000-05-30 |
| 6067654 |
ATM switch and control method thereof |
Yukio Nakano, Takahiko Kozaki, Yoshihiro Ashi |
2000-05-23 |
| 6016317 |
ATM cell switching system |
Yoshito Sakurai, Kenichi Ohtsuki, Makoto Mori, Akira Horiki, Takao Kato +1 more |
2000-01-18 |
| 6005867 |
Time-division channel arrangement |
Shirou Tanabe, Taihei Suzuki, Yoshito Sakurai, Kenichi Ohtsuki, Takao Kato +2 more |
1999-12-21 |
| 5999537 |
Packet switching system having self-routing switches |
Shirou Tanabe, Taihei Suzuki, Yoshito Sakurai, Kenichi Ohtsuki, Takao Kato +2 more |
1999-12-07 |
| 5995510 |
Distributed type switching system |
Yoshito Sakurai, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara, Eiichi Amada |
1999-11-30 |