Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698336 | Magnetic recording medium | Minoru Hashimoto, Tatsumi Maeda, Kazutaka Akiyama, Tsutomu Tanaka | 1997-12-16 |
| 4606971 | Magnetic recording medium | Tadashi Ido, Osamu Kubo, Tatsumi Maeda, Tutomu Nomura | 1986-08-19 |