Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6217678 | Steel wire rod or bar with good cold deformability and machine parts made thereof | Kan Momozaki, Hideo Hata | 2001-04-17 |
| 5803993 | Outer ring for high strength constant velocity joint and production process for same | Kazuhiko Yoshida, Tatsuhiro Goto, Akira Wakita, Toshio Kawasaki, Hideo Takeshita +1 more | 1998-09-08 |
| 5073338 | High strength steel bolts | Sadayoshi Furusawa, Takeshi Nakahara, Takehiko Kato | 1991-12-17 |
| 4432792 | Material for steel wool | Heijiro Kawakami, Sadayoshi Furusawa, Hitoshi Sato, Katsumasa Tanaka, Jiro Koarai | 1984-02-21 |
| 4312210 | Warm forging method for cup-shaped pieces | Masatoshi Nishizawa, Toshihiro Minami, Takeshi Nakahara | 1982-01-26 |