Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4756962 | Magnetic recording medium | Hideo Dobashi, Hitoshi Azegami | 1988-07-12 |
| 4659626 | Magnetic recording medium | Kiyoto Fukushima, Eiji Kitaura | 1987-04-21 |
| 4632870 | Magnetic recording medium | Yuji Ishihara, Masahiro Takizawa | 1986-12-30 |