Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5776267 | Spring steel with excellent resistance to hydrogen embrittlement and fatigue | Hiroshi Yaguchi, Masataka Shimotsusa, Nobuhiko Ibaraki, Takenori Nakayama, Takashi Iwata +3 more | 1998-07-07 |