Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11359271 | Nitriding treatment method of steel member | Yuichiro Shimizu, Katsushige Shimizu | 2022-06-14 |
| 9988704 | Manufacturing method of nitrided steel member | Yuichiro Shimizu, Atsushi Kobayashi, Susumu Maeda, Masao Kanayama | 2018-06-05 |
| 9783879 | Nitrided steel member and manufacturing method thereof | Yuichiro Shimizu, Atsushi Kobayashi, Susumu Maeda, Masao Kanayama, Hideki Imataka +2 more | 2017-10-10 |
| 9598760 | Nitrided steel member and manufacturing method thereof | Yuichiro Shimizu, Atsushi Kobayashi, Susumu Maeda, Masao Kanayama | 2017-03-21 |
| 6733600 | Nitrided maraging steel and method of manufacture thereof | Yuichi Heishi, Masahiro Suzuki, Ikuo Tani, Youichi Watanabe, Shunzou Umegaki +1 more | 2004-05-11 |