Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5068148 | Diamond-coated tool member, substrate thereof and method for producing same | Kei Nakahara, Keiichi Sakurai, Toshihiko Okamura, Hironori Yoshimura, Hiroyuki Eto | 1991-11-26 |
| 4731296 | Diamond-coated tungsten carbide-base sintered hard alloy material for insert of a cutting tool | Tetsuro Komatsu, Hiroaki Yamasita, Hironori Yoshimura | 1988-03-15 |
| 4463033 | Process for production of coated super-hard alloy articles | Yasuo Suzuki, Taijiro Onishi, Fumio Washizu | 1984-07-31 |
| 4411763 | Sputtering apparatus | Takeshi Itaba, Akio Nishiyama, Takayuki Shingyoji, Yuzo Ohsawa | 1983-10-25 |
| 4341834 | Coated super-hard alloy articles | Yasuo Suzuki, Taijiro Sugizawa, Fumio Washizu | 1982-07-27 |