Issued Patents All Time
Showing 25 most recent of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7155731 | Optical disc drive having a function of preventing an optical disc from being pushed down by turbulence in the air flow generated by the rotation of the optical disc | Satoru Manabe, Kiyofumi Sato | 2006-12-26 |
| 6964057 | Case for disk device for reproducing or recording information | Kiyofumi Sato, Satoru Manabe | 2005-11-08 |
| 6868546 | Disk device | Toyokazu Arai, Kiyofumi Sato, Satoru Manabe | 2005-03-15 |
| 6538848 | Magnetic disk | Yoshihiro Okano, Eiichi Yoneyama, Yoshinori Tangi | 2003-03-25 |
| 6477015 | Magnetic disk drive | Yoshihiro Okano, Eiichi Yoneyama, Yoshinori Tangi | 2002-11-05 |
| 6414819 | Floppy disk cartridge with concave portions formed in an upper or lower shell | Toshinori Kurosaka, Tamotsu SHIBATA, Shigenori Inamoto | 2002-07-02 |
| 6411467 | Large-capacity flexible disk and high-density type disk drive used therefor | Yoshihiro Okano, Eiichi Yoneyama, Yoshinori Tangi | 2002-06-25 |
| 6391139 | Method of making a disk cartridge comprising an improved magnetic disk medium | Yoshihiro Okano, Eiichi Yoneyama, Yoshinori Tangi | 2002-05-21 |
| 6366433 | Large-capacity magnetic disk drive having head load pressure adjustment | Yoshihiro Okano, Eiichi Yoneyama, Yoshinori Tangi | 2002-04-02 |
| 6285529 | Flexible disk liner arrangement capable of preventing the ingress of dust | Yoshihiro Okano, Eiichi Yoneyama, Yoshinori Tangi | 2001-09-04 |
| 6278573 | Floppy disk drive having dustproof structure for high capacity floppy disk | Yoshihiro Okano, Eiichi Yoneyama, Yoshinori Tangi | 2001-08-21 |
| 6239950 | High density flexible disk drive having a large capacity detecting switch provided at a position corresponding to a large capacity identifier hole provided in a case of a large capacity flexible disk | Yoshihiro Okano, Eiichi Yoneyama | 2001-05-29 |
| 6137762 | Disk device with improved movement mechanism | Yoshihiro Okano, Yoshinori Tangi, Eiichi Yoneyama | 2000-10-24 |
| 6134082 | Floppy disk device with a pair of double-liners holding a floppy disk by the double-liner pair | Yoshihiro Okano, Eiichi Yoneyama, Yoshinori Tangi | 2000-10-17 |
| 6130806 | Disk cartridge comprising an improved magnetic disk medium including an annular reinforcing member | Yoshihiro Okano, Eiichi Yoneyama, Yoshinori Tangi | 2000-10-10 |
| 6111727 | Flexible disk comprising a supporting hub for supporting a magnetic recording medium inside of a bottom portion | Yoshihiro Okano, Eiichi Yoneyama, Yoshinori Tangi | 2000-08-29 |
| 6091575 | Magnetic head support mechanism for a flexible disc drive | Yoshihiro Okano, Eiichi Yoneyama, Yoshinori Tangi | 2000-07-18 |
| 6072655 | Magnetic disk drive having a position detection unit for detecting a current position of a magnetic head | Yoshihiro Okano, Eiichi Yoneyama, Yoshinori Tangi | 2000-06-06 |
| 6021028 | Method of writing servo data and magnetic recording medium on which the servo data is written by the method | Yoshihiro Okano, Eiichi Yoneyama, Yoshinori Tangi | 2000-02-01 |
| 6018440 | Flexible disk drive having a position detection unit for detecting a current position of a magnetic head | Yoshihiro Okano, Eiichi Yoneyama, Yoshinori Tangi | 2000-01-25 |
| 6005752 | Magnetic data recording/reproducing device having a linear motor which includes a pair of coils integrally assembled with a carriage assembly on both sides thereof | Yoshihiro Okano, Eiichi Yoneyama, Yoshinori Tangi | 1999-12-21 |
| 5995469 | Disk device having movable cartridge holder and a cam plate having a cam groove with three successive inclined cam groove portions | Yoshihiro Okano, Yoshinori Tangi, Eiichi Yoneyama | 1999-11-30 |
| 5953187 | High-density flexible disk drive having a function of facilitating correct insertion of a large-capacity flexible disk thereinto without an insertion error | Yoshihiro Okano, Eiichi Yoneyama, Yoshinori Tangi | 1999-09-14 |
| 5940255 | Large-capacity flexible disk and high-density type disk drive used therefor | Yoshihiro Okano, Eiichi Yoneyama, Yoshinori Tangi | 1999-08-17 |
| 5933295 | Magnetic disk drive with carriage lock lever locking mechanism | Yoshihiro Okano, Eiichi Yoneyama, Yoshinori Tangi | 1999-08-03 |