Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4949773 | Production method of a mold for continuous casting | Tokumi Ikeda | 1990-08-21 |
| 4676833 | Method for reproducing composition of electrolytic polishing solution for niobium material | Keisuke Tajiri | 1987-06-30 |