Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833562 | Rotary magnetic head cylinder device for suppressing vibrations ofa magnetic tape | Masanori Kochi, Makoto Ibe, Toshio Osada, Hitoshi Takizawa, Hideyuki Kawase +4 more | 1989-05-23 |
| 4803338 | Magnetic head having improved track width narrowing grooves | Noriyuki Kumasaka, Shigekazu Otomo, Takeo Yamashita, Hideo Zama | 1989-02-07 |