Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7402621 | Porous-film-forming composition, preparation method of the composition, porous film and semiconductor device | Tsutomu Ogihara, Fujio Yagihashi, Yoshitaka Hamada, Motoaki Iwabuchi, Masaru Sasago +1 more | 2008-07-22 |