Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4253645 | Molten steel droplet scatter regulation cylinder | Kenji Maeda, Yoshiyuki Iwanami | 1981-03-03 |
| 4214898 | Process for preventing the rephosphorization of electric steel | Yoshiyuki Iwanami, Mitsunori Funazaki | 1980-07-29 |