Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7728902 | Imaging device and biometrics authentication apparatus | Masahiro Kishigami | 2010-06-01 |
| 5952074 | Magnetic recording medium | Teruhisa Miyata | 1999-09-14 |
| 5789062 | Magnetic recording medium | Akira Miyake, Teruhisa Miyata, Yoshikazu Kai | 1998-08-04 |
| 5774313 | Magnetic disk which reduces deterioration in regenerated signals due to optical servo grooves | Kenji Tanaka, Teruhisa Miyata, Akira Miyake | 1998-06-30 |
| 5756130 | Stamper for producing recording medium | Hiroshi Obara, Hiroshi Ishihama, Yoshitaka Kojima, Shoichi Nakashima, Shizuka Yamaguchi | 1998-05-26 |
| 5587860 | Magnetic disc cartridge including a magnetic disc having a cleaning sheet composed of a non-theroplastic fiber | Kunio Mizushima, Akira Miyake, Teruhisa Miyata | 1996-12-24 |
| 5430594 | Magnetic recording medium | Minoru Fujita | 1995-07-04 |
| 5355270 | Magnetic recording medium having a reference track structure for improved optical tracking | Kazuya Fukunaga | 1994-10-11 |
| 5319507 | Recording/reproducing system using a flexible magnetic disk | Kazuya Fukunaga, Mikio Kishimoto, Norio Ohta | 1994-06-07 |
| 4875121 | Magnetic head supporting device | Yoshito Tanaka | 1989-10-17 |
| 4796129 | Magnetic head device for improving head placement on a magnetic disc | Yoshito Tanaka | 1989-01-03 |
| 4695910 | Recording disc cartridge having an improved hub assembly | Hiroshi Maruyama, Kunio Mizushima, Akito Sakemoto | 1987-09-22 |