Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4451854 | Picture information input apparatus | — | 1984-05-29 |
| 4439797 | Recording tape for use in a recording and reproducing apparatus | Tomohisa Yoshimaru, Mitsuo Yamashita | 1984-03-27 |