Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7354229 | Drill | Shoichi Takahashi, Hidehito Watanabe | 2008-04-08 |
| 6613999 | Method of joining a sintered hard alloy member to a stainless steel member and method of making a cutting tool therefrom | Ichiro Katayama | 2003-09-02 |