Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859415 | Method of improving the resistance of Ti-based alloys to corrosion in deep-well environments | Yoshiaki Shida, Tomio Nishikawa | 1989-08-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859415 | Method of improving the resistance of Ti-based alloys to corrosion in deep-well environments | Yoshiaki Shida, Tomio Nishikawa | 1989-08-22 |