Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6329040 | Decorative sheet having three-dimensional effect | Masahiro Oshima, Katsumi Shimizu | 2001-12-11 |
| 6103345 | Decorative sheet with changeable color or density | Masahiro Oshima, Katsumi Shimizu | 2000-08-15 |