Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7186324 | Hard film cutting tools, cutting tool coated with hard film, process for forming hard film and target used to form hard film | Kenji Yamamoto, Toshiki Satou, Koji Hanaguri, Kazuki Takahara | 2007-03-06 |
| 6919288 | Hard film for cutting tools, cutting tool coated with hard film, process for forming hard film, and target used to form hard film | Kenji Yamamoto, Toshiki Satou, Koji Hanaguri, Kazuki Takahara | 2005-07-19 |
| 6824601 | Hard film for cutting tools, cutting tool coated with hard film, process for forming hard film, and target used to form hard film | Kenji Yamamoto, Toshiki Satou, Koji Hanaguri, Kazuki Takahara | 2004-11-30 |
| 6767627 | Hard film, wear-resistant object and method of manufacturing wear-resistant object | Toshiki Sato, Hirofumi Fujii | 2004-07-27 |