Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6737178 | Coated PCBN cutting tools | Tomohiro Fukaya, Junichi Shiraishi, Tetsuo Nakai, Hisanori Ohara, Haruyo Fukui | 2004-05-18 |
| 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 |