Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876744 | Mixer with rat race circuit | Kouei Misaizu, Haruyoshi Endo | 1989-10-24 |
| 4864644 | VHF-UHF mixer having a balun | Kenichi Takahashi, Makoto Hasegawa | 1989-09-05 |
| 4841255 | Frequency synthesizer | Motoi Ohba | 1989-06-20 |
| 4812791 | Dielectric resonator for microwave band | Motoi Ohba | 1989-03-14 |