Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683822 | Liquid-phase diffusion bonding alloy foils for joining heat-resistant metals in oxidizing atmospheres | Yasushi Hasegawa, Yuuichi Satoh, Hiroshi Ukeba | 1997-11-04 |
| 5650024 | Martensitic heat-resisting steel excellent in HAZ-softening resistance and process for producing the same | Yasushi Hasegawa, Masahiro Ohgami, Nobuo Mizuhashi, Toshio Fujita | 1997-07-22 |