Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6974509 | Brass | Koichi Hagiwara, Masaru Yamazaki, Mitsuhide Hirabayashi, Kozo Ito | 2005-12-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6974509 | Brass | Koichi Hagiwara, Masaru Yamazaki, Mitsuhide Hirabayashi, Kozo Ito | 2005-12-13 |