Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5640089 | Method and apparatus for surface roughness detection - using a magnetoresistive element | Hisao Kawai | 1997-06-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5640089 | Method and apparatus for surface roughness detection - using a magnetoresistive element | Hisao Kawai | 1997-06-17 |