Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8337747 | Process for manufacturing composite sintered machine components | Koichiro Yokoyama | 2012-12-25 |
| 7947219 | Process for manufacturing composite sintered machine components | Koichiro Yokoyama | 2011-05-24 |
| 5554338 | Method of preparing composite sintered body | Hiroshi Sugihara, Hiroyuki Ishikawa, Tsutomu Uemura, Akira Fujiki, Shinichi Umino | 1996-09-10 |