Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12104085 | Oil-well metal pipe, and method for producing oil-well metal pipe | Ken Tomiyasu, Keishi Matsumoto, Mamoru OCHIAI | 2024-10-01 |
| 11987765 | Composition, and threaded connection for pipes including lubricant coating layer formed from the composition | Kunio Goto | 2024-05-21 |