Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632849 | Porous carbonized film and process for its production | Shigeru Yao, Yukihiko Asano | 2003-10-14 |
| 6565962 | Polyimide porous film | Yuuichi Fujii, Shigeru Yao, Yukihiko Asano, Kimio Nakayama, Kenji Fukunaga | 2003-05-20 |