Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5307417 | Sound system with howling-prevention function | Yoshinobu Takamura, Kazunaga Ida | 1994-04-26 |
FM
Fumio Matsushita
Overall (1994): #134,713 of 165,921Top 85%
1
Patents 1994