Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D273010 | Portable radio | Masanori Hamada, Etsuko Ichino, Takao Okada | 1984-03-13 |
| D265649 | Radio receiver | Masanori Hamada | 1982-08-03 |
| D265312 | Radio receiver | Masanori Hamada | 1982-07-06 |
| D265313 | Radio receiver | Masanori Hamada | 1982-07-06 |
| D264717 | Radio receiver | Masanori Hamada, Benito Mishiro, Kikuo Ohta | 1982-06-01 |