Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6448312 | Colored resin composition for water pipe and colored water pipe | Kotaro Oshima, Tohru Matsuoka, Yozo Nagai | 2002-09-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6448312 | Colored resin composition for water pipe and colored water pipe | Kotaro Oshima, Tohru Matsuoka, Yozo Nagai | 2002-09-10 |