Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773661 | Free-cutting steel | Yutaka Kurebayashi | 2004-08-10 |
| 6764645 | Steel for machine structural use having good machinability and chip-breakability | Takashi Kano, Kazuhisa Ishida, Yutaka Kurebayashi, Makoto Hobo | 2004-07-20 |