Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6974509 | Brass | Masaru Yamazaki, Yoshihiro Hirata, Mitsuhide Hirabayashi, Kozo Ito | 2005-12-13 |
| 6599378 | Copper-based alloy, method for production of the alloy, and products using the alloy | Masaru Yamazaki, Yukihiro Hirata, Mitsuhide Hirabayashi, Kozo Ito | 2003-07-29 |