Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5636186 | Multiple audio channels recording and reproduction apparatus | Kaoru Yamamoto | 1997-06-03 |
TS
Takao Sawabe
Overall (1997): #70,996 of 185,788Top 40%
1
Patents 1997