Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790294 | Spring with excellent fatigue endurance property and surface treatment method for producing the spring | Masaaki Ishida, Kazuhiro Uzumaki, Yuji Isono, Keiichiro Teratoko, Yoshiro Yamada +1 more | 2004-09-14 |