Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10569369 | Wire containing flux for gas shield arc welding | Masafumi Yamakami, Hiroyuki Kawasaki | 2020-02-25 |
| 10562134 | Flux-cored wire for gas-shielded arc welding | Masafumi Yamakami, Yoshihiko Kitagawa | 2020-02-18 |
| 10427249 | Flux-cored wire for gas-shielded arc welding | Masafumi Yamakami, Yoshihiko Kitagawa | 2019-10-01 |
| 5398266 | Superconductive apparatus | Katsumi Hayashi, Hiroyuki Handa, Tadanori Mizoguchi, Naoyuki Miya | 1995-03-14 |