Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6338763 | Steel wire for high-strength springs and method of producing the same | Masayuki Hashimura, Hiroshi Hagiwara, Takanari Miyaki, Hiroaki Hayashi, Ikuo Ochiai | 2002-01-15 |