Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4642713 | Helical scan type recording and/or reproducing apparatus | Tsunehisa Ohira, Shinji Hirano | 1987-02-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4642713 | Helical scan type recording and/or reproducing apparatus | Tsunehisa Ohira, Shinji Hirano | 1987-02-10 |