Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889893 | Polyphenylene sulfide resin composition and a process for producing it | Akihiko Kishimoto | 1989-12-26 |
| 4884267 | TDM transmission system | Yukihiko Miyamoto, Syoichi Suzuki | 1989-11-28 |
| 4873684 | Method and apparatus for multiplexing of input signals having differing frequencies and demultiplexing same | Yukihiko Miyamoto, Masaoki Takai, Syuichi Fujisawa, Hiroshi Miyazawa | 1989-10-10 |
| 4845436 | Frequency synthesizer suited for use in a time division multiplexing system | Yukihiko Miyamoto, Masaoki Takai, Syuichi Fujisawa, Hiroshi Miyazawa | 1989-07-04 |
| 4825436 | Time division multiplexing system for N channels in a frame unit base | Yukihiko Miyamoto, Masaoki Takai, Syuichi Fujisawa, Hiroshi Miyazawa | 1989-04-25 |