Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6903886 | Magnetic transfer apparatus and particle monitoring method | Taizou Hamada, Hideyuki Hashi, Hiroshi Hashida, Eiichi Fujisawa, Shoichi Seki | 2005-06-07 |
| 6721113 | Method of recognizing master disk positioning mark | Akira Saito | 2004-04-13 |
| 6674588 | Magnetic transfer apparatus | Hideyuki Hashi, Taizou Hamada, Mitsuo Kobayashi | 2004-01-06 |
| 5317548 | Reduced height magnetic bias apparatus for a magnetooptical disk drive including a coil means having a central axis perpendicular to the rotating axis of a rotatable magnet | Motoki Kuroda | 1994-05-31 |
| 5285440 | Magneto-optic disk | — | 1994-02-08 |
| 4325070 | Recording head for facsimile receivers | Isamu Akasaki, Masaaki Ohsima, Michio Matsuki, Yoshio Tsukamoto, Hiromichi Kagi +1 more | 1982-04-13 |