Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33181 | Data transmission system adapted to facilitate detection of safe receipt of a transmitted data frame by a receiving station | Hisashi Matsumura, Masahiko Kida, Hiroyuki Wada | 1990-03-13 |
| 4558428 | Data transmission system adapted to facilitate detection of safe receipt of a transmitted data frame by a receiving station | Hisashi Matsumura, Masahiko Kida, Hiroyuki Wada | 1985-12-10 |
| 4506357 | Method and apparatus for switching loop type transmission lines | Susumu Nakayashiki, Masahiko Kida | 1985-03-19 |
| 4495595 | Method and system of loop transmission | Susumu Nakayashiki, Isao Nakada, Masahiko Kida, Kazuo Yagyu | 1985-01-22 |
| 4435704 | Loop transmission system | Hiroyuki Wada, Masahiko Kida, Hisashi Matsumura, Susumu Nakayashiki | 1984-03-06 |