Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6171692 | Particle for lower layer of coating type magnetic recording medium | Seiichi Hisano, Kazuhisa Saito, Kazushi Sano, Shinichi Konno, Yoshichika Horikawa | 2001-01-09 |
| 6040043 | Particles for lower layer of coating type magnetic recording medium | Seiichi Hisano, Kazuhisa Saito, Kazushi Sano, Shinichi Konno, Yoshichika Horikawa | 2000-03-21 |
| 5902676 | Coating type magnetic recording medium having a multilayer structure | Seiichi Hisano, Kazuhisa Saito, Kazushi Sano, Shinichi Konno, Yoshichika Horikawa | 1999-05-11 |