Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6744373 | Portable gas alarm device | Junichi Koyano, Shuji Tajima, Masahide Kitamura | 2004-06-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6744373 | Portable gas alarm device | Junichi Koyano, Shuji Tajima, Masahide Kitamura | 2004-06-01 |