Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806322 | Hydrogenated styrene polymer, process for producing the same, and molded object obtained therefrom | Kiyonari Hashizume, Shunichi Matsumura, Takeshi Sasaki | 2004-10-19 |
| 6696541 | Method for crystallization of low molecular weight polycarbonate and method for preparing polycarbonate resin from it | Tomonori Sakurai, Shunichi Matsumura, Toyoaki Ishiwata, Kazuteru Kohno, Hirotaka Suzuki +2 more | 2004-02-24 |