Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12033836 | Nitriding apparatus and nitriding method | Koichiro Akari | 2024-07-09 |
| 10309017 | Laminated hard film and cutting tool | Kenji Yamamoto, Hiroaki NII | 2019-06-04 |
| 10265776 | Cutting tool | Kenji Yamamoto | 2019-04-23 |
| 9845392 | Hard coating, method for manufacturing same, and hard-coated article | Kenji Yamamoto | 2017-12-19 |
| 9695514 | Laminated coating having excellent abrasion resistance | Kenji Yamamoto, Koichiro Akari | 2017-07-04 |
| 9670575 | Laminated coating film having superior wear resistance | Kenji Yamamoto, Mamoru Hosokawa | 2017-06-06 |