Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11049518 | Data storage device defining track trajectory to reduce AC track squeeze | Hiroshi Ide, Takehiko Hamaguchi, Naoto Ito | 2021-06-29 |
| 10699745 | Data storage device defining track trajectory to reduce AC track squeeze | Hiroshi Ide, Takehiko Hamaguchi, Naoto Ito | 2020-06-30 |
| 8553507 | Write track shift control in shingled-microwave-assisted magnetic recording (MAMR-SMR) | Ikuya Tagawa | 2013-10-08 |
| 8098448 | Method for setting zone format of a disk for storing data and disk drive | Yoshihiko Maeda, Nobuhiro Kuwamura, Toshihiko Tsunokawa, Akira Osaki | 2012-01-17 |
| 7852589 | Disk drive | Takao Matsui, Masahiko Koizumi, Masato Taniguchi, Kohji Nakao, Hideaki Maeda | 2010-12-14 |
| 7426086 | Off track write protection for data storage device | Atsushi Tobari, Masahide Yamasaki, Junzou Noda | 2008-09-16 |
| 7173782 | Magnetic disk drive and refresh method | Atsushi Tobari, Takao Matusi, Satoshi Hashimoto | 2007-02-06 |
| 7133237 | Servo information write method, data storage device, and programs | Nobuyuki Kitazaki, Kenji Ogasawara, Hirofumi Yanase | 2006-11-07 |
| 7054090 | Data storage device, recording medium, servo writing method, and data reading/writing method | Nobuyuki Kitazaki, Kenji Ogasawara, Atsushi Takeichi, Hirofumi Yanase | 2006-05-30 |
| 6798598 | Method for controlling write current to a write head during data write on a hard disk | Hiroaki Suzuki, Hideo Asano, Yumi Nagano, Michio Nakajima, Masashi Murai | 2004-09-28 |
| 6650491 | System and method for setting a read/write offset and for recovering from data read errors | Hiroaki Suzuki, Kaoru Umemura, Akira Shibata, Tatsuya Endoh, Takao Matsui +1 more | 2003-11-18 |
| 5027588 | Apparatus for substituting inert gases | Yoshimi Terajima, Nobuaki Nagatami, Hiroshi Akitoshi | 1991-07-02 |
| 4454979 | Laminated packing bag with spout formed from handle portion | Yotaro Tsutsumi | 1984-06-19 |
| D272047 | Bag for holding liquid | Yotaro Tsutsumi | 1984-01-03 |