Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814902 | Apparatus for recording and/or reproducing with video and multiple audio rotary heads | Jiro Fujiwara, Hisayoshi Chino, Teruyuki Yoshida, Jun Takayama, Katsuichi Tachi | 1989-03-21 |