Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6776855 | Maraging steel excellent in fatigue characteristics and method for producing the same | Masami Ueda | 2004-08-17 |
| 6756535 | Electronic percussion instrumental system and percussion detecting apparatus therein | Kiyoshi Yoshino, Masato Katsuda | 2004-06-29 |