Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7639442 | Methods and apparatus to perform hard-disk drive head proximity detection in a preamplifier | Motomu Hashizume, Hiroyuki Mukai, Toru Takeuchi | 2009-12-29 |
| 7113359 | Impedance-controlled write driver for low power preamp | Motomu Hashizume | 2006-09-26 |