Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5912903 | Method and system for quickly transferring data in a network having computers connected therewith | Yoshitsugu Abe, Mitsugu Kohatsu, Kiyoyuki Takemi, Osamu Kinoshita | 1999-06-15 |
| 5023871 | Method of controlling the operation of stations in a ring network | Takeshi Harakawa, Jiro Kashio | 1991-06-11 |
| 4984233 | Method and apparatus for testing station address in network | Jiro Kashio, Hisashi Matsumura, Hiroyuki Wada, Yoshihito Sako, Fumiaki Matsuura +1 more | 1991-01-08 |
| 4899142 | Ring network system and configuration control method | Jiro Kashio, Takeshi Harakawa, Yoshinori Bekki, Mitsuhiro Yamaga | 1990-02-06 |
| 4887256 | Data communication network system and reconfiguration control method | Jiro Kashio, Takeshi Harakawa | 1989-12-12 |
| 4847611 | Ring configuration of line concentrators | Yoshinori Bekki, Hiroyuki Wada, Mitsuhiro Yamaga | 1989-07-11 |
| 4815069 | Data communication network system and reconfiguration control method | Jiro Kashio, Takeshi Harakawa | 1989-03-21 |
| 4777330 | Network system diagnosis system | Takeshi Harakawa, Yoshinori Bekki, Hiroyuki Wada, Masahiro Fuse, Hiroshi Nakase +2 more | 1988-10-11 |
| 4763315 | Ring communication network system and a method for controlling same | Jiro Kashio, Takeshi Harakawa, Masahiro Fuse | 1988-08-09 |
| 4672607 | Local area network communication system | Jiro Kashio, Takeshi Harakawa | 1987-06-09 |
| 4506357 | Method and apparatus for switching loop type transmission lines | Masahiko Kida, Toyokazu Hashimoto | 1985-03-19 |
| 4495595 | Method and system of loop transmission | Isao Nakada, Masahiko Kida, Toyokazu Hashimoto, Kazuo Yagyu | 1985-01-22 |
| 4435704 | Loop transmission system | Toyokazu Hashimoto, Hiroyuki Wada, Masahiko Kida, Hisashi Matsumura | 1984-03-06 |