Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11512386 | Film formation device for cutting tool provided with coating film, and film formation method for cutting tool provided with coating film | Masao Kawamura, Atsushi Shinboya | 2022-11-29 |
| 10781514 | Film formation device for cutting tool provided with with coating film, and film formation method for cutting tool provided with coating film | Masao Kawamura, Atsushi Shinboya | 2020-09-22 |
| 5576093 | Multilayer coated hard alloy cutting tool | Hironori Yoshimura, Tetsuya Tanaka, Akira Osada | 1996-11-19 |
| 5372873 | Multilayer coated hard alloy cutting tool | Hironori Yoshimura, Tetsuya Tanaka, Akira Osada | 1994-12-13 |