Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8197647 | Hard laminated film, method of manufacturing the same and film-forming device | Kenji Yamamoto, Susumu Kujime, Hirofumi Fujii | 2012-06-12 |
| 7258912 | Hard laminated film, method of manufacturing the same and film-forming device | Kenji Yamamoto, Susumu Kujime, Hirofumi Fujii | 2007-08-21 |
| 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, Yasuomi Morikawa, Koji Hanaguri | 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, Yasuomi Morikawa, Koji Hanaguri | 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, Yasuomi Morikawa, Koji Hanaguri | 2004-11-30 |
| 6334405 | Vacuum arc evaporation source and vacuum arc vapor deposition apparatus | Hirofumi Fujii | 2002-01-01 |