| 7145901 |
Method of requesting security and release of communication band |
Koji Tsukada, Keiko Tanigawa |
2006-12-05 |
| 6826167 |
Mobile communication system |
Tatsuaki Osafune, Katsuyoshi Kitai, Tomohiro Hotta, Koji Hirayama |
2004-11-30 |
| 6483835 |
Communication system with communication route retrieval and selection function |
Keiko Tanigawa, Susumu Matsui, Koji Tsukada |
2002-11-19 |
| 6249767 |
Portable information terminal surrounding formulation of an optimum plan |
Masataka Okayama |
2001-06-19 |
| 6078583 |
Communication method and communication system |
Keiko Takahara, Toshiaki Koyama |
2000-06-20 |
| 5905495 |
Communication system using electronic mail |
Noriyuki Tanaka, Keiko Takahara, Kazuma Yumoto, Naoko Iwami, Toshiaki Koyama +1 more |
1999-05-18 |
| 5831000 |
Hybrid calcitonin |
Eigoro Murayama |
1998-11-03 |
| 5758082 |
Mail terminal equipment |
Kazuma Yumoto, Naoko Iwami, Toshiaki Koyama |
1998-05-26 |
| 5550978 |
Multiprocessor system having switches for routing cells in parallel among processors by splitting data into blocks having numbers of cells equals to proccessor bus width |
Yasuhiro Takahashi |
1996-08-27 |
| 4837816 |
Communication system using switching apparatus |
Noboru Mizuhara, Jiro Kashio, Takashi Morita |
1989-06-06 |
| 4771424 |
Routing control method in a packet switching network |
Michio Suzuki, Takashi Kanoh, Jiro Kashio, Yasushi Takeuchi |
1988-09-13 |