Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5307417 | Sound system with howling-prevention function | Kazunaga Ida, Fumio Matsushita | 1994-04-26 |
YT
Yoshinobu Takamura
Overall (1994): #47,704 of 165,921Top 30%
1
Patents 1994