Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4245349 | Automatic frequency scanning radio receiver | Michiaki Kumaoka | 1981-01-13 |
| 4232393 | Muting arrangement of a radio receiver with a phase-locked loop frequency synthesizer | Michiaki Kumaoka | 1980-11-04 |