Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884278 | Semiconductor laser modulation control system | Takashi Touge, Tadashi Okiyama, Naoki Kuwata, Yasunari Arai | 1989-11-28 |
| 4875087 | Integrated circuit device having strip line structure therein | Akira Miyauchi, Tadashi Okiyama, Hiroo Kitasagami, Masahiro Sugimoto, Haruo Tamada +1 more | 1989-10-17 |
| 4827327 | Integrated circuit device having stacked conductive layers connecting circuit elements therethrough | Akira Miyauchi, Tadashi Okiyama, Hiroo Kitasagami, Masahiro Sugimoto, Haruo Tamada +1 more | 1989-05-02 |