Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878955 | Process for preparing a high strength stainless steel having excellent workability and free form weld softening | Takashi Igawa | 1989-11-07 |
| 4849166 | High strength stainless steel | Sadao Hirotsu, Sadayuki Nakamura | 1989-07-18 |
| 4847168 | Slicing saw blade | Sadao Hirotsu, Sadayuki Nakamura | 1989-07-11 |
| 4824635 | P-added ferritic stainless steel having excellent formability and secondary workability | Katsuhisa Miyakusu, Isami Shimizu | 1989-04-25 |
| 4808275 | Method for forming corrosion resistant coating on a disc brake | Takashi Ohzora, Yoshio Otsuka | 1989-02-28 |