Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844456 | Cold work tool and method for manufacturing same | Tatsuya Shouji, Yukio Shinji | 2020-11-24 |
| 10407747 | Cold working tool material and cold working tool manufacturing method | Tatsuya Shouji, Setsuo Mishima, Yukio Shinji | 2019-09-10 |
| 9994925 | Cold work tool material, cold work tool and method for manufacturing same | Tatsuya Shouji, Yukio Shinji | 2018-06-12 |
| 9890435 | Cold work tool material and method of manufacturing cold work tool | Tatsuya Shouji, Setsuo Mishima, Toru Taniguchi | 2018-02-13 |