Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4611248 | Rotary recording medium and reproducing apparatus therefor | Yoshihiko Honjo, Hisayoshi Yamada, Masaki Sakurai, Ryozo Abe, Kenji Yoshihara | 1986-09-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4611248 | Rotary recording medium and reproducing apparatus therefor | Yoshihiko Honjo, Hisayoshi Yamada, Masaki Sakurai, Ryozo Abe, Kenji Yoshihara | 1986-09-09 |