Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6433877 | Surface inspection using the ratio of intensities of s- and p-polarized light components of a laser beam reflected a rough surface | Masao Watanabe | 2002-08-13 |
| 6376852 | Surface inspection using the ratio of intensities of s—and p-polarized light components of a laser beam reflected a rough surface | Masao Watanabe | 2002-04-23 |
| 6356347 | Surface inspection using the ratio of intensities of s- and p-polarized light components of a laser beam reflected a rough surface | Masao Watanabe | 2002-03-12 |