Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497154 | Method of preparing slag sample for X-ray fluorescence analysis and sampler for use in the same | Akira Yamamoto, Noriko Makiishi | 2002-12-24 |
| 6480274 | Method of analyzing oxygen and oxide in metallic material | Akira Yamamoto | 2002-11-12 |