Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6548577 | Wood-filled thermoplastic resin composition and a process for producing the same | Takeo Kitayama, Shiro Katagiri | 2003-04-15 |
| 6520759 | Manufacturing device of foamed thermoplastic resin sheet | Takeo Kitayama, Kaori Tsubouchi, Tatsuhiro Nagamatsu | 2003-02-18 |