Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5852521 | Amplifier circuit suppressing disturbance signal produced by magnetoresistive head | Takehiko Umeyama | 1998-12-22 |
| 5834969 | Circuit for processing signals from a magneto-resistive head | Takehiko Umeyama | 1998-11-10 |
| 5694083 | Single end input high frequency amplifier | Takehiko Umeyama | 1997-12-02 |
| 5382917 | Amplifier circuit | Hideki Miyake | 1995-01-17 |