Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855846 | Device for loading a tape-like substance | Shinji Hanatani, Yoshiaki Sugiyama | 1989-08-08 |
| 4814902 | Apparatus for recording and/or reproducing with video and multiple audio rotary heads | Jiro Fujiwara, Teruyuki Yoshida, Jun Takayama, Katsuichi Tachi, Hideto Suzuki | 1989-03-21 |