Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853804 | Magnetic recording and/or reproducing apparatus | Hisashi Suwa, Seiji Sato, Susumu Matsubara, Katsuyuki Koizumi | 1989-08-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853804 | Magnetic recording and/or reproducing apparatus | Hisashi Suwa, Seiji Sato, Susumu Matsubara, Katsuyuki Koizumi | 1989-08-01 |