Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4265679 | Process for producing stainless steels for spring having a high strength and an excellent fatigue resistance | Yutaka Ono, Kiyohiko Nohara, Junichi Shimomura, Tetsuo Miyawaki | 1981-05-05 |
| 4256486 | Martensitic stainless steel having excellent weldability and workability for structural use | Keiichi Yoshioka, Noboru Kinoshita, Yutaka Ono | 1981-03-17 |
| 4206004 | Process of pretreating cold-rolled steel sheet for annealing | Motoyuki Konishi, Minoru Nishida, Yukio Inokuchi | 1980-06-03 |