Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Tetsuhiko Hirata, Mika Mizutani | 1994-04-12 |
| 5247518 | High-speed ring lan system | Yoshihiro Takiyasu, Toshiki Tanaka, Taihei Suzuki, Eiichi Amada, Yukiji Yamauchi +2 more | 1993-09-21 |
| 5247620 | Bridge apparatus with an address check circuit for interconnecting networks | Junji Fukuzawa, Akira Watanabe, Sadao Mizokawa | 1993-09-21 |
| 5150365 | Communication system for coexistent base band and broad band signals | Tetsuhiko Hirata, Kazuo Yagyu, Hiroshi Nakase, Shigeru Oshima, Motoyoshi Morito +1 more | 1992-09-22 |
| 5103447 | High-speed ring LAN system | Yoshihiro Takiyasu, Toshiki Tanaka, Taihei Suzuki, Eiichi Amada, Yukiji Yamauchi +2 more | 1992-04-07 |
| 5086426 | Communication network system having a plurality of different protocal LAN's | Masato Tsukakoshi, Yasuhiro Takahashi, Kenji Kusaka | 1992-02-04 |
| 5056058 | Communication protocol for predicting communication frame type in high-speed processing system | Tetsuhiko Hirata, Susumu Matsui, Tatsuya Yokoyama, Sinichi Kouyama | 1991-10-08 |
| 5018133 | Network system comprising a plurality of LANs using hierarchical routing | Masato Tsukakoshi, Yasuhiro Takahashi, Nobuyuki Takagishi | 1991-05-21 |
| 4941084 | System for locating resources resided in a distributing processing system by sequentially transmitting resource inquiries through a looped transmission line | Hiroshi Wataya, Satoru Takagi, Masao Sueki | 1990-07-10 |
| 4881167 | Data memory system | Hisao Sasaki, Susumu Matsui, Kenji Kawakita, Jiro Kashio, Shiro Baba +2 more | 1989-11-14 |
| 4516221 | Data communication system | Yukio Nakata, Kaoru Suda, Motoyoshi Morito, Osamu Shiotsu | 1985-05-07 |
| 4453247 | Speech packet switching method and device | Michio Suzuki, Takao Kato, Ryuichi Toki | 1984-06-05 |
| 4447871 | Data communication system with a front-end-processor | Koji Yokota | 1984-05-08 |