Issued Patents 2021
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149881 | Threaded connection for steel pipe | Shin Ugai | 2021-10-19 |
| 11142960 | Threaded connection for oil well | Keita Inose, Takashi Okada | 2021-10-12 |
| 11143337 | Threaded connection for steel pipe | Yousuke Oku | 2021-10-12 |
| 10921955 | Non-transitory computer-readable storage medium with executable information processing program stored thereon, information processing apparatus, information processing system, and information processing method | — | 2021-02-16 |
| 10883319 | Threaded connection for steel pipe | Sadao Douchi, Yasuhiro Yamamoto | 2021-01-05 |
| 10883632 | Threaded joint for steel pipes | Yousuke Oku, Fumio Ota | 2021-01-05 |