Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7879929 | Quinophthalone compound, mixed colorant, laser ray transmitting colored resin composition, and laser-welded product | Shuji Sugawara | 2011-02-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7879929 | Quinophthalone compound, mixed colorant, laser ray transmitting colored resin composition, and laser-welded product | Shuji Sugawara | 2011-02-01 |