Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799972 | Process for producing a high strength high-Cr ferritic heat-resistant steel | Takashi Daikoku, Hisao Haneda, Kunihiko Yoshikawa, Hiroshi Teranishi, Atsuro Iseda | 1989-01-24 |