Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632326 | Modifying method for wood elements | Yoshihiro Hirano, Hiroshige Murakami | 2003-10-14 |
| 6602451 | Wooden material and manufacturing method therefor | Hideaki Korai, Makoto Kiguchi, Yoshihiro Hirano, Satoshi Suzuki | 2003-08-05 |