Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6837093 | Methods for making an easy-opening can end | Yuji Yamasaki, Masayoshi Kurihara, Yoshinori Yomura, Reiko Sugihara, Yutaka Mihara | 2005-01-04 |
| 6435368 | Easy opening can end and method for fabricating the same | Yoichiro Yamanaka, Reiko Sugihara, Masayoshi Kurihara, Yoshinori Yomura, Yuji Yamasaki | 2002-08-20 |
| 6361625 | High-strength, damage-resistant rail having hardness distribution of excellent damage-resistance at its head top portion | Jun Furukawa, Kiyotaka Morioka, Kozo Fukuda, Hideyuki Yamanaka, Kazutaka Kobayashi +1 more | 2002-03-26 |
| 5676772 | High-strength, bainitic steel rail having excellent damage-resistance | Kazutaka Kobayashi, Sadahiro Yamamoto | 1997-10-14 |