Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886714 | Platelike magnetic powder and a recording medium which uses the platelike magnetic powder | Hideo Torii, Masaki Aoki, Hideaki Komoda, Nobuyuki Aoki, Keiichi Ochiai | 1989-12-12 |
| 4803133 | Magnetic recording medium | Hozumi Hirota, Yukihiro Shimasaki, Hideaki Komoda | 1989-02-07 |