Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5717551 | Contact-type magnetic head having an integral control portion for generating negative pressure | Kenji Negishi, Daisuke Mitsuhashi, Yoshiaki Kato, Noboru Kawasaki | 1998-02-10 |
| 5047884 | Magnetic head having a control portion for generating negative pressure | Kenji Negishi, Daisuke Mitsuhashi, Yoshiaki Kato, Noboru Kawasaki | 1991-09-10 |