Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875010 | Circuit for detecting AC magnetic field due to magnetic resonance with a variable resistance for noise suppression | Etsuji Yamamoto, Hideaki Nakane, Masao Yabusaki, Yukiko Ogura | 1989-10-17 |