Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871146 | Apparatus for heat treatment of steel rods | Katsuhiko Yamada, Takashi Asakura, Yusuke Yamamori, Yukihiro Nakamura | 1989-10-03 |
| 4770722 | Methods for heat treatment of steel rods | Katsuhiko Yamada, Takashi Asakura, Yusuke Yamamori, Yukihiro Nakamura | 1988-09-13 |