Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458222 | Metal material, brass and method for manufacturing the same | Ryuji Matsubara, Katsuaki Nakamura | 2002-10-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458222 | Metal material, brass and method for manufacturing the same | Ryuji Matsubara, Katsuaki Nakamura | 2002-10-01 |