Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8077719 | Packet switching apparatus | Kazuho Miki, Ken'ichi Sakamoto, Koji Wakayama, Hiroaki Miyata | 2011-12-13 |
| 7404008 | Address translator and method for management of address translation rules | Keisuke Takeuchi, Hiroaki Nakazawa | 2008-07-22 |
| 7173932 | Packet switching apparatus | Kazuho Miki, Kenichi Sakamoto, Koji Wakayama, Hiroaki Miyata | 2007-02-06 |
| 7123599 | Mobile communication system | Masashi Yano, Masaya Hayashi, Hiroaki Nakazawa | 2006-10-17 |
| 7085579 | Mobile communication systems, mobile stations, base station controllers and packet data service nodes | Mika Mizutani, Susumu Matsui, Masashi Yano | 2006-08-01 |
| 7009950 | Mobile IP network system and connection switching method | Masashi Yano, Norihisa Matsumoto, Susumu Matsui, Shoji Fukuzawa, Atsushi Teshima +1 more | 2006-03-07 |
| 6701132 | Mobile communication system, mobile station, and base station that calculates distance from mobile station | Shoji Fukuzawa, Masashi Yano, Norihisa Matsumoto, Toshiro Suzuki | 2004-03-02 |
| 5748893 | Network interface apparatus | Minoru Koizumi, Masayo Nagano, Yoshiaki Adachi, Hiroshi Wataya, Ken Onuki | 1998-05-05 |
| 5727149 | Network interface apparatus and data transmission control method thereof | Minoru Koizumi, Emiko Yanagisawa, Osamu Takada, Hiroshi Wataya | 1998-03-10 |
| 5706430 | Method and system for sequentially broadcasting data according to pre-assigned time slots with and without the reception of a synchronization packet | Emiko Yanagisawa, Minoru Koizumi, Kenji Kataoka, Osamu Takada, Hirashi Wataya | 1998-01-06 |
| 5678060 | System for executing high speed communication protocol processing by predicting protocol header of next frame utilizing successive analysis of protocol header until successful header retrieval | Tatsuya Yokoyama, Mika Mizutani, Osamu Takada | 1997-10-14 |
| 5623606 | Communication control method and apparatus for performing high speed transfer of data by controlling transfer starting times | Tatsuya Yokoyama, Mika Mizutani | 1997-04-22 |
| 5345410 | Arithmetic-logic unit with modulo addition/substraction function and microprocessor using the same | Tatsuya Yokoyama | 1994-09-06 |
| 5303344 | Protocol processing apparatus for use in interfacing network connected computer systems utilizing separate paths for control information and data transfer | Tatsuya Yokoyama, Susumu Matsui, Matsuaki Terada, Mika Mizutani | 1994-04-12 |
| 5150365 | Communication system for coexistent base band and broad band signals | Kazuo Yagyu, Matsuaki Terada, Hiroshi Nakase, Shigeru Oshima, Motoyoshi Morito +1 more | 1992-09-22 |
| 5056058 | Communication protocol for predicting communication frame type in high-speed processing system | Susumu Matsui, Matsuaki Terada, Tatsuya Yokoyama, Sinichi Kouyama | 1991-10-08 |