Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4515521 | Welding torch apparatus | Tadashi Takeo, Toru Yamamoto | 1985-05-07 |
SY
Sachihiro Yamashito
Overall (All Time): #4,014,536 of 4,157,543Top 100%
1
Patents All Time