Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7982991 | Method and apparatus for determining set value of write current of magnetic head | Junzoh Noda, Masahiro Shimizu, Kouji Matsuda, Hiroyasu Masuda | 2011-07-19 |
| 7426086 | Off track write protection for data storage device | Masahide Yamasaki, Masaomi Ikeda, Junzou Noda | 2008-09-16 |
| 7333282 | Data storage device and data storage device control method | Kaoru Iseri, Yasuhiro Iihara, Masanori Aratani | 2008-02-19 |
| 7173782 | Magnetic disk drive and refresh method | Masaomi Ikeda, Takao Matusi, Satoshi Hashimoto | 2007-02-06 |
| 6424493 | Hard disk drive magnetic head air bearing surface design for preventing particulate contamination thereon | Tsuyoshi Matsumoto, Takashi Nakamura, Tatsushi Aoki, Lee K. Dorius | 2002-07-23 |
| 6219750 | Disk drive having control mechanism to reduce or eliminate redundant write operations and the method thereof | Atshushi Kanamaru, Toshio Kakihara, Hideo Asano | 2001-04-17 |
| 6061805 | Method for executing an error recovery procedure | Hiroaki Suzuki, Hideo Asano, Satoshi Nishino, Shuji Yamada, Haruo Andoh +1 more | 2000-05-09 |
| 5969895 | Disk drive apparatus and head switching method in a disk drive apparatus | Tetsuo Ueda, Yoshihiro Nakagawa, Kazushige Okutsu | 1999-10-19 |
| 5313352 | Magnetic disk slider having piezo-electric vibration elements | Takao Chikazawa, Akihiko Aoyagi | 1994-05-17 |
| 5117320 | Magnetostrictive head with d.c. bias magnetic field | Kenji Ogasawara, Koji Kurachi | 1992-05-26 |