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 |
| 5762724 | High strength steel strand for prestressed concrete and method for manufacturing the same | Yukio Yamaoka, Masao Yamada, Masaru Kodama, Nobuhiko Ibaraki, Masato Kaiso | 1998-06-09 |