Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10793937 | Steel for induction hardening | Suguru Yoshida, Kei Miyanishi | 2020-10-06 |
| 9890446 | Steel for induction hardening roughly shaped material for induction hardening | Manabu Kubota, Kei Miyanishi | 2018-02-13 |
| 9725783 | Steel for machine structure use excellent in cutting tool lifetime and machining method of same | Hajime Saitoh, Atsushi Mizuno | 2017-08-08 |
| 9156117 | Method of cutting steel for machine structural use | Suguru Yoshida | 2015-10-13 |
| 9139894 | Steel for machine structure exhibiting excellent machinability | Suguru Yoshida, Manabu Kubota, Kei Miyanishi, Shuji Kozawa | 2015-09-22 |
| 9039962 | Steel for induction hardening, roughly shaped material for induction hardening, producing method thereof, and induction hardening steel part | Manabu Kubota, Kei Miyanishi | 2015-05-26 |
| 8801873 | Carburized steel part | Kei Miyanishi | 2014-08-12 |
| 8545137 | Cutting method of steel for machine structural use | Kei Miyanishi, Suguru Yoshida | 2013-10-01 |