Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4502524 | Process and apparatus for the production of a metallic laminar composite material | Yoshiyuki Iwanami, Kozo Taniguchi, Tomoo Takenouchi | 1985-03-05 |
| 4214898 | Process for preventing the rephosphorization of electric steel | Yoshiyuki Iwanami, Masaru Fukumoto | 1980-07-29 |