Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10557388 | Engine exhaust valve for large ship and method for manufacturing the same | Shuhei Kawaguchi, Koichi Uno | 2020-02-11 |
| 10472701 | Ni-based superalloy for hot forging | Shigeki Ueta, Kohki Izumi | 2019-11-12 |
| 10119182 | Ni-based superalloy for hot forging | Shigeki Ueta, Kohki Izumi | 2018-11-06 |
| 9745649 | Heat-resisting steel for exhaust valves | Shigeki Ueta, Takashi Tsuyumu | 2017-08-29 |
| 9738953 | Hot-forgeable Ni-based superalloy excellent in high temperature strength | Shigeki Ueta, Takuma Okajima, Ayumi Hori | 2017-08-22 |