Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4431446 | High cavitation erosion resistance stainless steel and hydraulic machines being made of the same | Masao Yamamoto, Takashi Yebisuya, Mituo Kawai | 1984-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4431446 | High cavitation erosion resistance stainless steel and hydraulic machines being made of the same | Masao Yamamoto, Takashi Yebisuya, Mituo Kawai | 1984-02-14 |