Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8852728 | Conductive film | Toyomi Matsuda, Makoto Sutou, Tomonori Baba | 2014-10-07 |
| 8383329 | Pattern exposure method, conductive film producing method, and conductive film | Toyomi Matsuda, Makoto Sutou, Tomonori Baba | 2013-02-26 |
| 5717551 | Contact-type magnetic head having an integral control portion for generating negative pressure | Kenji Negishi, Yoshiaki Kato, Akira Takimoto, Noboru Kawasaki | 1998-02-10 |
| 5249093 | Magnetic disk | Masaru Umekida | 1993-09-28 |
| 5204795 | Magnetic recording and reproduction system having opposed magnetic heads | — | 1993-04-20 |
| 5175660 | Control member having stabilizing surfaces which generate negative pressure to stabilize contact between a rotating flexible magnetic sheet and a magnetic recording/reproducing head | Shigeru Ando, Tomoyuki Nishiyama | 1992-12-29 |
| 5138509 | Negative pressure control member for stabilizing magnetic disk contact with a magnetic head | — | 1992-08-11 |
| 5130878 | Thin film magnetic head comprising a protective layer | Noboru Kawasaki, Osamu Shimizu, Satoshi Yoshida, Takashi Kubo | 1992-07-14 |
| 5107384 | Magnetic recording and reproduction device having opposed magnetic heads | — | 1992-04-21 |
| 5055955 | Dual magnetic recording and reproduction heads with elastic mounting | Noboru Kawasaki | 1991-10-08 |
| 5047888 | Magnetic sheet control member | Shigeru Ando | 1991-09-10 |
| 5047884 | Magnetic head having a control portion for generating negative pressure | Kenji Negishi, Yoshiaki Kato, Akira Takimoto, Noboru Kawasaki | 1991-09-10 |
| 4910629 | Magnetic head | Noboru Komori | 1990-03-20 |
| 4731920 | Method for mounting a magnetic head | Yasunori Nishijima, Takao Miyazaki, Kenji Negishi | 1988-03-22 |