Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819211 | Process for surface-treatment of hollow work having hole communicating with outside, and ring-shaped bonded magnet produced by the process | Kohshi Yoshimura, Fumiaki Kikui | 2004-11-16 |
| 6743082 | Blasting apparatus | Yoshimi Tochishita, Kazuaki Okuno, Nobuhiro Misumi | 2004-06-01 |