Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12431162 | Rotating electromagnet for removable disk clamp | Jim Malina, Toshiki Hirano, Robert P. Ryan, Tim R. Glassburn | 2025-09-30 |
| 8526132 | Servo patterning compatible with planarization of patterned magnetic disks | Thomas R. Albrecht, Masahito Kobayashi, Kei Yasuna | 2013-09-03 |
| 7620740 | Storage devices and method of transferring file between the devices | Makoto Takase, Kohji Takasaki, Minoru Hashimoto, Kenji Okada, Hiroshi Oshikawa +2 more | 2009-11-17 |
| 7542223 | Magnetic disk drive using load/unload area for data storage | Minoru Hashimoto, Kenji Kuroki, Toshiroh Unoki | 2009-06-02 |
| 7457065 | Systems and methods for hard disk drive optimization and manufacturing | Kenji Ogasawara, Hiroshi Yanagisawa, Koichi Sato, Fuminori Sai | 2008-11-25 |
| 7426088 | Magnetic disk drive with function assignment and manufacturing method therefor | Makoto Takase, Minoru Hashimoto, Kenji Okada | 2008-09-16 |
| 7379396 | Rotary disk type storage device | Shingo Tsuda, Hiroshi Yanagisawa | 2008-05-27 |
| 6900956 | Disk device and data-erasing method | Hiroki Kitahori, Kenji Kuroki, Hiroshi Matsuda, Satoshi Noguchi, Mutsuro Ohta +1 more | 2005-05-31 |
| 6643087 | Disk drive with improved retract circuit and method | Kenji Kuroki, Thomas R. Albrecht, Fuminori Sai, Yuzo Nakagawa, Nobuhisa Koide +3 more | 2003-11-04 |
| 6639758 | Disk drive apparatus including a load/unload ramp with different angles for standard and depopulated versions | Mutsuro Ohta, Hiroshi Matsuda, Takahide Nakamura | 2003-10-28 |
| 6593855 | Shock measurement apparatus and shock measurement method | Takane Fujino, Kazutaka Okasaka | 2003-07-15 |
| 6532137 | Head assembly, disk drive apparatus, hard disk drive and method for manufacturing disk drive apparatus | Fu-Ying Huang, Mutsuro Ohta, Kohichi Takeuchi | 2003-03-11 |
| 6362936 | Suspension assembly with integral projections having a coating of elastic material | Hiroo Inoue, Hiroshi Matsuda, Fujio Harako | 2002-03-26 |
| 6163440 | Inertial latch mechanism for actuator of disk drive device | Kohji Takahashi, Vijayeshwar D. Khanna, Thomas R. Albrecht, Suresh Kumar, Muthuthamby Sri-Jayantha | 2000-12-19 |
| 6137658 | Apparatus for guiding and locking a rotary actuator | Shinichi Matsuzaki, Kohji Serizawa, Mutsuro Ohta | 2000-10-24 |
| 5896242 | Spindle motor with stress alleviating groove provided in hub cylindrical protrusion portion | David W. Albrecht, Hiroshi Matsuda | 1999-04-20 |
| 5760997 | Flexible cable structure for magnetic disk drives | Ichiroh Koyanagi, Hiroshi Matsuda, Shinichi Matsuzaki, Koji Serizawa | 1998-06-02 |
| 5671104 | System and method for locking a disk actuator in vertical and horizontal directions | Kohji Takahashi, Hiroshi Matsuda | 1997-09-23 |
| 4691258 | Temperature compensating mechanism for positioning of a magnetic head of a magnetic disk drive | Masashi Kobayashi, Kimiya Yoneyama | 1987-09-01 |