Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7867315 | Hard-particle powder for sintered body and sintered body | Tomomi Yamamoto | 2011-01-11 |
| 6761853 | Free-cutting tool steel | Kiyohito Ishida, Katsunari Oikawa, Toshimitsu Fujii, Yukinori Matsuda, Kozo Ozaki +1 more | 2004-07-13 |