Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4937428 | Consumable electrode type arc welding contact tip | Minoru Yoshinaka, Chuji Kiuchi, Harumi Tokushige, Yoshikatsu Sakano, Yukitoshi Yamada | 1990-06-26 |
KH
Katsumi Handa
Overall (All Time): #3,906,064 of 4,157,543Top 95%
1
Patents All Time