Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761853 | Free-cutting tool steel | Katsunari Oikawa, Toshimitsu Fujii, Yukinori Matsuda, Kozo Ozaki, Seiji Kurata +1 more | 2004-07-13 |
| 6752883 | Free-cutting Ni-base heat-resistant alloy | Katsunari Oikawa, Shigeki Ueta, Toshiharu Noda, Takashi Ebata | 2004-06-22 |