Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623850 | Tool of a surface-coated boron nitride sintered compact | Satoru Kukino, Hisanori Ohara, Haruyo Fukui | 2003-09-23 |
| 6620491 | Tool of a surface-coated boron nitride sintered compact | Satoru Kukino, Hisanori Ohara, Haruyo Fukui | 2003-09-16 |