Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7959838 | Epoxy resin for prepreg, prepreg, fiber-reinforced composite material and methods for production thereof | Tsuneo Takano, Akitada Yanase, Tadashi Sakai, Kiharu Numata, Akihiro Ito +3 more | 2011-06-14 |
| 7883766 | Prepreg | Akihiro Ito, Tadayoshi Saitou, Ietsugu Santo, Yasuo Takagi, Kiharu Numata +2 more | 2011-02-08 |