Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7740719 | Cutter composed of Ni-Cr alloy | Tomohisa Arai, Takashi Rokutanda | 2010-06-22 |
| 7682474 | Cutter composed of Ni-Cr-Al Alloy | Tomohisa Arai, Takashi Rokutanda | 2010-03-23 |