Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9551062 | Hard film for machining tools and hard film-coated metal machining tool | Masatoshi Sakurai, Mei WANG, Yuji Sutou, Junichi Koike, Shoko Komiyama | 2017-01-24 |
| 9109280 | Hard laminar coating | Masatoshi Sakurai | 2015-08-18 |