Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5256481 | Magnetic recording medium | Akira Miyake, Mikio Kishimoto, Masaya Funahashi, Teruhisa Miyata | 1993-10-26 |
| 4828925 | Magnetic disc | Akira Miyake, Tsugihiro Doi, Kunio Mizushima, Akito Sakemoto | 1989-05-09 |