Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D271392 | Cassette for video tape recorder | Hidemichi Sumisha | 1983-11-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D271392 | Cassette for video tape recorder | Hidemichi Sumisha | 1983-11-15 |