Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8482877 | Magnetic recording media, method for servowriting on same, and hard disk drive | Kyo Akagi | 2013-07-09 |
| 7936536 | Magnetic recording medium having lands with curved upper surfaces and magnetic recording and reproducing apparatus | Ryuji Tsuchiyama, Masahumi Mochizuki, Kyosuke Ono, Yuko Tsuchiya | 2011-05-03 |
| 7239124 | Current measurement technique and current measurement apparatus | — | 2007-07-03 |
| 7154687 | Overshoot current phase/amplitude control for hard disk drive write current | Takeo Yamashita | 2006-12-26 |
| 7016156 | Disk drive having magnetic head conduction paths with arrangements to control impedance | Yohji Maruyama, Hisashi Takano | 2006-03-21 |
| 6894874 | Disk drive having magnetic head conduction paths with arrangements to control impedance | Yohji Maruyama, Hisashi Takano | 2005-05-17 |
| 6870697 | Overshoot current phase/amplitude control for hard disk drive write current | Takeo Yamashita | 2005-03-22 |
| 6833694 | Current measurement technique and current measurement apparatus | — | 2004-12-21 |
| 6661613 | Magnetic disk drive | Yohji Maruyama, Hisashi Takano | 2003-12-09 |
| 6529348 | Magnetic disk apparatus having an electric conducting path with a defined characteristic impedance and which interconnects a write element and a read/write integrated circuit | Yohji Maruyama, Hisashi Takano | 2003-03-04 |
| 6404594 | Magnetic disk drive with integrated electrical conductors for recording element | Yohji Maruyama, Hisashi Takano | 2002-06-11 |