Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4745017 | Magnetic recording medium | Takahito Miyoshi, Kenichi Masuyama, Toshimitu Okutu, Masaaki Fujiyama | 1988-05-17 |
| 4670333 | Magnetic recording media | Takahito Miyoshi, Toshimitu Okutu, Masaaki Fujiyama, Nobuo Aoki | 1987-06-02 |
| 4617226 | Magnetic recording medium | Nobutaka Yamaguchi, Masaaki Fujiyama, Takahito Miyoshi | 1986-10-14 |
| 4598014 | Magnetic recording medium | Takahito Miyoshi, Kenichi Masuyama, Toshimitu Okutu, Masaaki Fujiyama, Minoru Kanazawa | 1986-07-01 |
| 4582757 | Magnetic recording medium | Takahito Miyoshi, Kenichi Masuyama, Toshimitu Okutu, Masaaki Fujiyama | 1986-04-15 |
| 4567063 | Process for producing magnetic recording media | Takahito Miyoshi, Toshimitu Okutu, Masaaki Fujiyama | 1986-01-28 |
| 4567057 | Method of making magnetic recording medium | Kenichi Masuyama, Toshimitu Okutu, Takahito Miyoshi, Hiroshi Ogawa, Masaaki Fujiyama +1 more | 1986-01-28 |
| 4275108 | Leader or trailer tape for a magnetic tape | Nobutana Yamaguchi, Satoru Takayama, Masaaki Fujiyama | 1981-06-23 |