Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5803993 | Outer ring for high strength constant velocity joint and production process for same | Kazuhiko Yoshida, Tatsuhiro Goto, Akira Wakita, Toshio Kawasaki, Toyofumi Hasegawa +1 more | 1998-09-08 |
| 4431445 | Steel for machine construction having excellent cold forgeability and machinability | Sadayoshi Furusawa, Tsuyoshi Kohoka, Jiro Koarai, Shuji Iwata | 1984-02-14 |