Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8151436 | Method of forming member, valve guide and method of forming the same, and method of forming tubular member | Takayuki Ohnuma, Takashi Kobayashi, Tsutomu Ando, Ryotaro Takada | 2012-04-10 |