Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9752710 | Tubular threaded joint having improved high torque performance | Yuji Tanaka, Yasuhiro Yamamoto | 2017-09-05 |
| 9725671 | Lubricant film-forming composition and screw joint for steel pipe | Keishi Matsumoto, Masayoshi Sasaki | 2017-08-08 |
| 9568126 | Threaded joint for steel pipe | Masayoshi Sasaki, Katsutoshi Sumitani | 2017-02-14 |