Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9988704 | Manufacturing method of nitrided steel member | Yuichiro Shimizu, Atsushi Kobayashi, Susumu Maeda, Kiyotaka Akimoto | 2018-06-05 |
| 9783879 | Nitrided steel member and manufacturing method thereof | Yuichiro Shimizu, Atsushi Kobayashi, Susumu Maeda, Hideki Imataka, Masato YUYA +2 more | 2017-10-10 |
| 9598760 | Nitrided steel member and manufacturing method thereof | Yuichiro Shimizu, Atsushi Kobayashi, Susumu Maeda, Kiyotaka Akimoto | 2017-03-21 |