Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11148562 | Vehicle seat structure | Katsunori Yamada, Hiroyuki Suzuki | 2021-10-19 |
| 11060160 | Low-alloy steel for oil well pipe and method of manufacturing low-alloy steel oil well pipe | Yuji Arai, Takanori Sato | 2021-07-13 |