Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11827949 | Martensitic stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same | Masao Yuga, Yuichi Kamo | 2023-11-28 |
| 11773461 | Martensitic stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same | Yuichi Kamo, Masao Yuga | 2023-10-03 |
| D996903 | Vacuum bottle | — | 2023-08-29 |
| D988799 | Tumbler with lid | — | 2023-06-13 |