Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865709 | Magnetron sputter apparatus and method for forming films by using the same apparatus | Ken-ichi Natsui, Youichi Ohshita, Tadashi Sato, Eiji Setoyama, Mitsuhiro Kamei | 1989-09-12 |
| 4837754 | Ultrasonic wave phase matching apparatus | — | 1989-06-06 |
| 4812783 | Phase locked loop circuit with quickly recoverable stability | Masahiro Honjo, Akihiro Takeuchi, Atsuo Ochi, Shinichi Aki, Masaaki Kobayashi | 1989-03-14 |