Issued Patents All Time
Showing 25 most recent of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7058062 | Packet switching system having self-routing switches | Shirou Tanabe, Taihei Suzuki, Shinobu Gohara, Yoshito Sakurai, Kenichi Ohtsuki +2 more | 2006-06-06 |
| 6639920 | Distributed type switching system | Yoshito Sakurai, Shinobu Gohara, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara | 2003-10-28 |
| 6618372 | Packet switching system having-having self-routing switches | Shirou Tanabe, Taihei Suzuki, Shinobu Gohara, Yoshito Sakurai, Kenichi Ohtsuki +2 more | 2003-09-09 |
| 6389025 | Distributed type switching system | Yoshito Sakurai, Shinobu Gohara, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara | 2002-05-14 |
| 6335934 | Distributed type switching system | Yoshito Sakurai, Shinobu Gohara, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara | 2002-01-01 |
| 6314096 | Packet switching system having self-routing switches | Shirou Tanabe, Taihei Suzuki, Shinobu Gohara, Yoshito Sakurai, Kenichi Ohtsuki +2 more | 2001-11-06 |
| 6304570 | Distributed type switching system | Yoshito Sakurai, Shinobu Gohara, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara | 2001-10-16 |
| 6256509 | Broadcast information delivering system | Satoshi Tanaka, Seiki Mizutani | 2001-07-03 |
| 6061389 | Frequency-hopping communication system and communication station | Tomoaki Ishifuji, Yoshihiro Takiyasu, Genichi Ishii, Hidehiko Jusa, Shuichi Adachi | 2000-05-09 |
| 6005867 | Time-division channel arrangement | Shirou Tanabe, Taihei Suzuki, Shinobu Gohara, Yoshito Sakurai, Kenichi Ohtsuki +2 more | 1999-12-21 |
| 5999537 | Packet switching system having self-routing switches | Shirou Tanabe, Taihei Suzuki, Shinobu Gohara, Yoshito Sakurai, Kenichi Ohtsuki +2 more | 1999-12-07 |
| 5995510 | Distributed type switching system | Yoshito Sakurai, Shinobu Gohara, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara | 1999-11-30 |
| 5862142 | Frequency hopping wireless communication system and communication equipment | Yoshihiro Takiyasu, Tomoaki Ishifuji, Genichi Ishii, Hidehiko Jusa, Shuichi Adachi | 1999-01-19 |
| 5745495 | Apparatus for monitoring and controlling autonomous switching of trunk/subscriber lines in a distributed switching system | Yoshito Sakurai, Shinobu Gohara, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara | 1998-04-28 |
| 5740156 | Packet switching system having self-routing switches | Shirou Tanabe, Taihei Suzuki, Shinobu Gohara, Yoshito Sakurai, Kenichi Ohtsuki +2 more | 1998-04-14 |
| 5734655 | Distributed type switching system | Yoshito Sakurai, Shinobu Gohara, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara | 1998-03-31 |
| 5655219 | Wireless LAN system capable of re-transmission under management of a base station device to a destination mobile terminal device | Hidehiko Jusa, Yoshihiro Takiyasu, Tomoaki Ishifuji, Genichi Ishii, Shuichi Adachi | 1997-08-05 |
| 5596721 | Screen communications system granting screen modifying requests if no other requests received after first period of time and releasing requests after second period of time | Ichiro Masse, Takanori Miyamoto, Takashi Morita, Toshiro Suzuki | 1997-01-21 |
| 5559804 | Wireless communication system and wireless terminal device using fixed length communication frame | Yoshihiro Takiyasu, Tomoaki Ishifuji, Genichi Ishii, Hidehiko Jusa, Shuichi Adachi | 1996-09-24 |
| 5537414 | Method of wireless communication between base station and mobile station and multiple access communication system | Yoshihiro Takiyasu, Hidehiko Jusa, Tomoaki Ishifuji, Shuichi Adachi, Genichi Ishii | 1996-07-16 |
| 5513177 | Distributed switching system having at least one module | Yoshito Sakurai, Shinobu Gohara, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara | 1996-04-30 |
| 5414739 | Transmission system constituted of multistage reproduction nodes | Naoya Kobayashi, Yoshitaka Takasaki, Sadao Mizokawa, Hisayuki Maruyama, Hiroshi Mabuchi | 1995-05-09 |
| 5247518 | High-speed ring lan system | Yoshihiro Takiyasu, Toshiki Tanaka, Taihei Suzuki, Yukiji Yamauchi, Mitsuhiro Yamaga +2 more | 1993-09-21 |
| 5241543 | Independent clocking local area network and nodes used for the same | Kunio Hiyama, Naoya Kobayashi, Yoshihiro Takiyasu, Yasuhiko Hatekeyama, Haruyuki Nakayama | 1993-08-31 |
| 5197097 | Cell signal processing circuit and optical switch apparatus using the same | Yasushi Takahashi, Kimiaki Ando, Masanori Miyata | 1993-03-23 |