Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7961418 | Resistivity sense bias circuits and methods of operating the same | Naoko Takemoto | 2011-06-14 |
| 7715136 | Hard disk drive preamplifier with reduced pin count | — | 2010-05-11 |
| 7639442 | Methods and apparatus to perform hard-disk drive head proximity detection in a preamplifier | Hiroyuki Mukai, Naoko Jinguji, Toru Takeuchi | 2009-12-29 |
| 7362530 | Amplifier apparatus for use with a sensor | — | 2008-04-22 |
| 7251091 | Current-sense bias circuit for a magnetoresistive head and method of sensing a current therethrough | Toru Takeuchi | 2007-07-31 |
| 7184232 | Apparatus and method for driving a write head | Jinguji Naoko, Indumini Ranmuthu, Neel Seshan | 2007-02-27 |
| 7113359 | Impedance-controlled write driver for low power preamp | Naoko Jinguji | 2006-09-26 |
| 6091557 | Offset free thermal asperity T/A detector | — | 2000-07-18 |
| 5917370 | Split load resistor for wideband preamplifier for magneto-resistive head | — | 1999-06-29 |
| 5793240 | Method and circuit for thermal asperity compensation in a data channel | Hiro Kuwano | 1998-08-11 |
| 4958158 | Modem with noise-reducing decoder in demodulation of encoded binary pulse signals representative of constant amplitude signals | Yukoh Matsumoto | 1990-09-18 |
| 4646265 | Serial ROM devices | Takashi Takamizawa | 1987-02-24 |