Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5882440 | Heat-resistant alloy steel for hearth metal members of steel material heating furnaces | Akira Shinosaki, Toru Kawai | 1999-03-16 |
YS
Yoshihide Shida
Overall (All Time): #3,644,565 of 4,157,543Top 90%
1
Patents All Time