Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5268142 | High-nitrogen ferritic heat-resisting steel with high vanadium content and method of production thereof | Yasushi Hasegawa, Masahiro Ohgami, Hisashi Naoi, Fujimitsu Masuyama | 1993-12-07 |
| 4990779 | Method and apparatus for evaluating strains in crystals | Yasunari Yoshitomi, Kuniteru Ohta | 1991-02-05 |